Performance shovelhead heads 437", and 80" cylinders have a bore size of 3. The engine ain't dead by any means, and is considered by many to be the best We make high-Performance Twin Cam Race engines in sizes 120 inch, 131 inch, and 135 inch! See our online catalog for more info! View Catalog. Harley-Davidson Shovelhead engine at the Harley-Davidson Museum. ULTIMA SHOVELHEAD ENGINES CARRY A 6 MONTH, 6,000 MILE LIMITED WARRANTY FROM THE ORIGINAL DATE OF PURCHASE. SH93 engines are an excellent choice to replace a tired Shovelhead engine and boost performance at the same time. $ 30 each head/or cylinder Shovelhead, Sportster flywheels . So I'm asking any shovelhead guru's here for any advise, thoughts, etc. Heads fit all 1966-1984 Big Twins. Improve your engine's airflow with aftermarket Harley Cylinder Heads from Dennis Kirk. shovelhead head mods. The Shovelhead engine was introduced in 1966, symbolizing rebellion and individuality in motorcycle culture. read several articles that say you loose power with drags. Shovelhead Engines: Over the years, Shovelhead engines had different horsepower ratings. Its layout helped shape successful powerplants such as the Evolution and Twin Cam engines and is worth more than the stigma it is associated with. Following its legacy, the Panhead introduced hydraulic valve lifters and aluminum heads, enhancing performance and reliability. shovelhead performance. The Panhead engine, The result is a Shovelhead engine that has the classic stock appearance, the increased performance and the modern technology, which makes them ideal for those who find engine life more important than performance. Shovelhead and Panhead Engines Horsepower Gallery : Performance and Technical information on engines for Harley-Davidson motorcycles. 880″ in order to accept the cylinder spigots. grinding. Addtional fin area for superior cooling, and updated efficient combustion chamber designed to give 9. SKU: MIT_SH_S_HEADS_001 Category: These new heads feature Dual Decompressors for easy starting of big cubic shovels. 298-211 Traditional Black Shovelhead 298-210 Traditional Finish Shovelhead *NOT EPA The Knucklehead, with its distinctive rocker covers, marked a turning point in motorcycle design back in the 1930s. STD Heads: Valves: Manley thin stem FL valves Valve Head Billet heads are available in 4 configurations. $248. Airflow in the ports is increased over stock heads for improved performance. Keep in mind that there are varying bolt patterns available to support oversized bores in aftermarket cases and cylinders from most all manufacturers. Contrary to what many performance shops PanShovel Heads (Ported) "MIT": Speed And Science® designed 3-5/8″ bore Billet Aluminum PanShovel heads / intake system for the Harley-Davidson™ Shovelheads. Suitable for all ’66-’84 models, this product requires engine cases to be bored out to 3. Shovels were offered in both 74ci and 82ci capacities. Billet Aluminum outer shell. Frank shares hard-earned tips and tricks along with important information that Whether you're looking for bolt-on performance pieces like air cleaners, slip-on mufflers, full exhaust systems and fuel controllers. 13 pounds, it's manageable Performance Kits 100/110, 124/128, 129/132 Power Package 136" & 131" Cylinder & Piston Kits 129" & 132" Cylinder & Piston Kits Lower End Flywheels for M8 Models Engines T143 Engines for 1999-'17 Big Twins MK136 Engine for 2017-2023 M8 Touring . The 36-47 Knuckle head and the 48-65 Pan head have combustion chambers that are very much the same. Shovelhead Heads, OEM Bore by Speed And Science®. currently have cycle shack drag pipes. 00 out of 5. I. Shovelhead engines (1966-1984) are named for their shovel-like rocker box covers. We redesigned and raised the intake port by welding to increase velocity, allowing for a crisper throttle response and more power. 74" engines have a stroke of 331/32", and 80" shovelhead engines have a 4¼" stroke, but the The Shovelhead already oils the heads through the rocker arms up top and the oil goes back down the cylinder and or tubes. Some riders simply upgraded their Pans by installing the new Shovel heads to their bottom ends. Photo by Chris T. 4 horsepower at the rear wheels using un-ported Harley-Davidson 1340 heads and increasing the compression with domed pistons. 5:1 compression ratio. Weighing just 2. Replica Shovelhead head sets feature rubber band type heads and are completely assembled with unleaded valve intake seats cast iron valve guides nitrated valves valve guide seals and stock type valve spring kit. Unit E Warminster, PA 18974 Call us at 215-394-8409 Email: cs@getlowered. SKU: OEM_SH_S_HEADS_001 Category: SHOVELHEAD OEM Bore "VELOCITY" Heads Tags: shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. 80 HP with 90 LB FT Torque. These offerings from S. 940 stainless Int. Speed And Science Ltd. Threads strip and helicoils don't last. Shovelhead Cylinders, 3-1/2″ (OEM) Bore Billet Aluminum. The Panhead and Shovelhead are two iconic engine designs produced by the well-known motorcycle manufacturer Harley-Davidson. Order stud set separately. Designed to match S&S™ Sidewinder series pistons (P/N 106-5535, not supplied). 1 compression with a flat top piston in For over 25 years STD Development has been setting the standard for the world’s strongest aftermarket cases, high-performance heads and related engine components for the Harley-Davidson® and American V-Twin market. EFI heads Tags: mit, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. Talk directly to Mike at 306-761-0064 or read everything you wanted to know about these new shovelhead Heads by going to Sorensen Performance. com The shovel head cylinder heads come from a long ago design, mid 30's for Harley Davidson. Heads use long reach spark plugs and flat seals for the intake manifold. Description Reviews (0) Shovelhead Ported Heads "MIT" by Speed And Science®. ===== Cylinder Heads. The original 74ci displacement Shovelhead was offered for the last time in 1980, in the FLH 1200 Police model and the FXS 1200 Low Rider. what is the best exhaust for overall performance for a shovel? current set up 80" weisco pistons andrews #3 cam S&S dual plug heads. External oil returns are used to redirect return oil from thecylinder heads so that it does not drain into the flywheel cavity inthe stock manner. Shovelhead Ported Heads "MIT" by Speed And Science®. 95. I attribute a good share of that performance to the RB Racing LSR TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. Description Additional information Custom Performance for Harley Davidson Motorcycles. in my experiences The Sorensen Performance Dual Tight Quench Heads have the ability to give the shovel head engine power equivalent to the newer Evo and Twin Cam engines. Description Reviews (1) Heads: Speed And Science ® designed MIT (CNC-Ported) version of the 3-5/8″ bore Billet Aluminum (6061-T6) PanShovel heads for the Harley-Davidson™ Shovelhead models. 590″ springs. Stroke it! Shovel head ports are too large and only thing you can cure that problem is more displacement. Bolt what is the best exhaust for overall performance for a shovel? current set up 80" weisco pistons andrews #3 cam S&S dual plug heads. Billet Aluminum (6061-T6) Rocker Box system for the Harley-Davidson™ Shovelhead models. The bottom end was a carryover from the previous Panhead engines. High Silicon Wire Valve Spring with black oxide steel retainers. The Ultimate upgrade for your Shovelheads. (We specialize in Panheads,Shovels,EVO's,Twin Cams)from Stock to high-perf. . These engines, named for the distinctive shapes of their Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. Contact us: 800-969-7501 Natural Cylinder Head For Stock Bore Shovelhead Cylinders - 90-1496 S&S Cycle. Love the TQ and pulls hard at the top end. Each engine has unique performance characteristics and aesthetic qualities that reflect Harley-Davidson’s engineering advancements over the years. Motorcycle Performance Guide is about to blow the lid off this idea. SKU: MIT_SH_D_HEADS_001 Category: SHOVELHEAD "MIT" Hi-Power Heads Tags: mit, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. com. Did you know that nearly 30% of Shovelhead engines experience performance issues due to improper maintenance? If you're one of the many enthusiasts looking to restore your bike's power, understanding the step-by-step process for rebuilding these iconic engines is essential. Heads are currently available for a variety of Pan head, Pan/Shovel head and Shovel head configurations. Stock appearance and improved performance; S&S . Showing 1–12 of 30 results Sorted by price: high to low PanShovel Heads Ported “MIT” – EFI. 498". Bonneville, Dyno, & Track Proven Since 1978: A customer with S. US$ 2,260 Add to cart; PanShovel Heads – OEM Bore, Dual Independent Intake It is also crucial to boost motorcycles’ speed and riding performance. and external oilreturns are not uncommon on high performance Shovelhead streetengines. PanShovel Heads – OEM Bore by Speed And Science ®. Don´t worry about compression, You can drive safely 1:11 no problems IF you choose a cam big enough. ’S HIGH PERFORMANCE “DUAL TIGHT QUENCH HEADS” DESIGNED SPECIFICALLY FOR SHOVELHEADS. 0"), new intake seats, new exhaust valves, performance valve job, new beehive valve springs set up for the cam of your choice. Transmissions. It featured improved displacement, unique shovel-shaped cylinder heads, and dual-point ignition for enhanced reliability and performance. restoration, custom building. The moderate 8:1 compression rato allows your engine run well on readily available premium pump gas. We also have a wide selection of engines, exhaust, controls, handlebars, foot controls, floorboards and other trim and accent pieces to customize your ride. CC heads and mill to desired compression. 9 air fuel ratio. Home of Solenberg Racing Engines Street to Strip, We Build Them. NOTES: Cylinders for 74" engines have a bore size of 3. customer The following information for building a high performance Shovelhead engine was discovered in the archives of a Harley-Davidson dealership. US$ 2,260 Though the stock shovel ports do not lend themselves to easy gains in flow as do Shovelheads are prone to exhaust leaks. Stage 5: Raised port big valve conversion: This is the top of the line head work, new bigger intake valves (1. American made STD Performance Heads are precision cast at 48,000lb tensile strength from 355 aluminum alloy. The Shovelhead engine is an air-cooled, 45-degree, V-twin motorcycle engine. CNC Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. My panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51 cam. are designed for Panhead and Shovelhead 1200cc barrels. For lighter bikes in performance applications there is also a High Compression version with dual plugged heads available. In fact, these heads are so efficient that they actually make their best power at 13. D. Big Bore (3-5/8") Billet Aluminum Heads / Intake system for the Harley-Davidson™ Shovelhead models. It Shovelhead Rocker Boxes by Speed And Science ®. Click on the picture icon at the end of each part number description for photos of all the cylinder head For Harley Davidson Shovelhead enthusiasts seeking peak performance, the Andrews C Cam stands out as the best production cam for big street engines and strokers from 84 to 96 inches. S&S super stock heads, Crane 300H (fireball) cam, K&N filter for my S&S "B" model, Dyna "S Panhead Vs Shovelhead. 590 inch lift triple steel valve springs; Fits stock intake manifolds and exhaust pipes Head modifications and machining Head Services (Stock rebuilding to complete Pro Race heads) Stock (Rebuild to factory specifications); SuperStock (Focused on adding low-end and mid-range torque); ProStreet (Focused on mid-range to upper RPM HP); Hybrid (Raised intake ports, maximum effort applied for power and torque); We perform head rebuilds and modifications on Description. Shovelhead heads Big Bore 3-5/8″ by Speed And Science ®. Bolt-on installation for all ’66-’84 models equipped with 3-5/8″ Bore cylinders. Many riders underestimate the horsepower potential of the Shovelhead engine. Rated 5. seat o de pants. Featuring a range of impressive specifications, the Shovelhead engine is known for its robust performance and unique design elements that set it apart from other motorcycle engines. Their bolt on heads adds approximately ½% to 1% of compression. The Shovelhead engine is a motorcycle engine that was produced by Harley-Davidson from 1966 to 1984, built as a successor to the previous Panhead engine. Manganese Bronze guides. View Catalog. All In House Machine Shop. Ported heads from S&S Cycle can greatly improve your Harley's performance. they ARE DIFF, and behind his design and execution/ production are untold thousands of hours of welding. Take a look in our webshop for beautiful parts for HD Shovelhead! 183665; 176510; ja; en; live; info//KolliesParts/nl; The engines from 1966 to 1970 had another The Shovelhead was known for its improved power and performance due to higher compression ratios and better flow characteristics. $ 1195. Those unfamiliar with Harley-Davidson’s history may find it tricky to spot disparities between the Ironhead and Shovelhead engines, except for their retronym. Since 1989, STD cylinder heads have proven to be the absolute strongest and most versatile castings available by a long shot! MEGAFLO prepared STD's have been available since their introduction and have been used in finished form for a wide variety of applications, from stock replacement Panhead to 155 cubic inch all out racing! Cylinder head »Super Stock« by S&S; fits Shovelhead 1966-1978; cast aluminum / steel / spring steel; nominal bore: 3-7/16 ” / 3-1/2 ” exhaust flanges G: Shovelhead; head bolt pattern: Shovelhead; intake manifold flanges: The high flowing ports and . These heads had 10 cooling fins, which often was not quite enough to cool the engine as some tended to run hot. 96 C. Call (915) 307-7926. You'll need to gather the right tools and materials before tackling the disassembly Hidden Virtues of the Shovelhead Motor Shovelhead Oil Pump and Line Routing Example Shovel Custom Oil Pump and Line Routing You can get an incredible variety of specialized parts, including high performance cases, pistons, valves, heads and cams for shovelheads. Rated Output 96 C. Text Only 306-529-2653 or e-mail us. denniskirk. 750 stainless Ex. We carry a huge selection of parts and accessories, offer low prices, fast shipping, and unbeatable customer service. Description Key Takeaways. $1,723. We manufacture only the highest quality 5 & 6 speed transmissions, for many applications. Features: 3-5/8″ bore; Aluminum finish What goes into a good set of performance heads? All you need is the proper port shape, the proper valve sizes to allow good air flow, the right springs to keep the valves properly seated and the right compression ratio for the power you want. Modern features such as late style hydraulic valve train, polished billet rocker covers, forged roller rocker arms, and a single fire electronic ignition, combined with larger displacement, add up to a powerful and dependable engine This is a great head for baggers to dynas. As an example, we took an ordinary 93 inch shovel head motor and installed our custom JE Super Stock replacement heads for Shovelhead engines maintain a stock appearance, but offer improved port designs for better performance. Panhead engines (1948-1965) have a one-piece, pan-like rocker box cover. 1. Cooling. I do know that they are listed at 7. SKU: MIT_SH_S_HEADS_002 Category: SHOVELHEAD "MIT" Hi-Power Heads Tags: mit, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. Both engines were available for several years. 590" lift capacity of the cylinder heads allow for improved performance and easy high lift camshaft intallation. BEST PRICES on Parts for Harleys,Mid-Usa,Custom Chrome,Arlen Ness,RC,Performance Machine, Midwest,etc. A stock shovel head flows roughly 194cfm. SORENSEN'S PERFORMANCE SUPPLY LTD. Description Customize your Vintage Harley Shovelhead with aftermarket parts from JPCycles. Sorensen Performance states that they produced a head that all others will be judged by. SKU: MIT_SH_S_HEADS_002 Category: SHOVELHEAD "MIT" Hi-Power Customize your Vintage Harley Shovelhead with aftermarket parts from JPCycles. This is a small list of work we can perform on your Harley Davidson motorcycle. RB Racing's LSR 2-1 exhaust systems are the most powerful 2-1 exhaust you can buy for your Harley-Davidson Shovelhead. machine shop. They are all open chamber with valves at quite a steep angle to one another. Suitable for all ’66-’84 models, this product does NOT require engine cases to be bored out in order to accept the cylinder spigots. Choosing between Panhead and Shovelhead engines depends on several factors. 3. PanShovel Heads: Speed And Science ® designed MIT (CNC-Ported) version of the 3-5/8″ bore Billet Aluminum (6061-T6) PanShovel heads / intake system for the Harley-Davidson™ Shovelhead models. Stage 1- Heads come set up with a 1. American Made | V-Twin | Knucklehead | Panhead | Shovelhead | Evolution | Twin Cam | M8 | Harley Davidson | Indian Motorcycle Cylinder Heads C356-T6 Casting. Selecting Between Panhead and Shovelhead. Enjoy high output performance and quality you can trust. We achieved 95. Billet Aluminum (6061-T6) Pan Shovel heads / intake system for the Harley-Davidson™ Shovelhead models. Shovelhead Cylinders Big Bore 3-5/8″ by Speed And Science®. The S&S Cycle High Output Super Stock Cylinder Head Kit comes complete with mounting hardware included. ACM has the parts and expert advice you need. SHOVELHEAD Big Bore “MIT” Power Heads – EFI; PanShovel Big Bore “MIT” Power Heads – EFI; Shovelhead heads OEM Bore, Black Coated. They may not make as many ponies as the EVO or Twin Cam engines, but there is good potential in these engines. Bolt-on installation for all ’66-’84 72CUI or 80CUI Shovelhead models, designed to match OEM shaped pistons (not supplied) – including all available overbore sizes. It varied from 60HP to 66HP during its entire timeline. his heads are not some dream boat annie, get on the billet wagon. Our 3-Bolt Exhaust Flange kits provides a permanent solution to this problem. 990, and 2. 3 bolt heads on a new motor asked us if we did 3 bolt exhausts. Bolt-on installation for all ’66-’84 models equipped with either billet Speed And Science heads (recommended) or cast OEM heads with OEM oil supply system. When deciding between the Panhead and Shovelhead engines, one must consider the key differences in performance characteristics and unique features that define these classic motorcycle powerhouses. Save Share This Ultima shovelhead motor offers modern technology in a nostalgic exterior, including dual plug heads, compression releases & 3 bolt exhaust manifold. We have the experience and parts to restore your shovelhead motor offers modern technology in a nostalgic exterior. 95 Part #: 182594 Mfg Part The Exhaust Retaining Kit for Shovelhead, designed specifically for models from 1966 to 1984, guarantees a secure fit and ideal performance for riders looking to enhance their motorcycle's sound and reliability. Harley-Davidson Shovelhead Performance: Performance and Technical information on Shovelhead engines for Harley-Davidson motorcycles. Valves. A cylinder head change was seen in mid-1978. Jump to Latest stock build it would be unnecessary but to me any improvement to a motor that includes efficiency and allows for better performance and heat transfer without adding undue stress on its rotating assembly is worth doing. the large performance engines built for the street, benefit greatly from this modification. S&S Better flowing heads and increased compression ratios are the usual way to make 90+ horsepower. I love Leineweber cams. From 1966 to 1969, Shovelhead engines had 66HP capacity with 5600RPM. Performance Kits 100/110, 124/128, 129/132 Power Package 136" & 131" Cylinder & Piston Kits 129" & 132" Cylinder & Piston Kits Lower End Flywheels for M8 Models Engines T143 Engines for 1999-'17 Big Twins MK136 Engine for 2017-2023 M8 Touring Exhaust El Dorado Touring Exhaust System Mk45 Touring Mufflers Grand National Touring Slip-On Mufflers I'm not exactly certain about what sort of exact pressure should show up in a stock Shovelhead with low compression pistons. I ran across a master mechanic, in Oahu, Hawaii, at ProStreet, who recently produced the first between the Evolution configuration andthe Shovelhead and how you can alter your Shovel for reliability andbetter performance. 100% Speed And Science design and manufacturing. www. The Shovel's oiling system isn't Shovelhead Heads OEM Bore by Speed And Science®. No oil need be sent up through the pushrods in any case, Solenberg & Smith Performance Cycle Inc. The valves are at roughly a 40 degree angle to the center line of the cylinder Shovelhead Heads Big Bore 3-5/8″ by Speed And Science®. This is a list of verified horsepower figures for a variety of Harley-Davidson Shovelhead Engines. Performance parts for Harley-Davidson (TM) Cycles Description. The list provides information on the maximum horsepower recorded, the type of engine cases, the engine S&S SUPER STOCK® CYLINDER HEADSFOR 1966-'84 SHOVELHEAD ENGINES. Harley Davidson Precision Engine Rebuilding: As we are well known and respected for our "Hot-Shot" Hi-Performance Engines and Performance Packages many are unaware of our abilities in rebuilding your T/C, EVO or Shovel/Pan Head engine to original condition or installing a performance package as it is being rebuilt. 04 ounces, it won't Though sometimes undervalued, the Harley Shovelhead is undeniably integral to HD’s long list of engines — from the 1909 Atmospheric power mills to modern-day Milwaukee-8s. If anything, the Shovelhead signifies HD’s break from its The Andrews AB Cam is an excellent choice for Harley Davidson enthusiasts looking to enhance the performance of their Panhead or Shovelhead models from 1948 to 1969. Delkron, S&S Cycle, T-Man Performance, and R&R Cycle all have purpose designed heads for the twin cam with S&S providing EVO, EVO Sportster Shovelhead and Panhead replacements. True 'bolt-on' race-quality high-performance heads for street bikes. The pipes don't want to stay on the heads. EFI Shovelhead Ported Heads "MIT" by Speed And Science®. Compression release valves. 90 Intake valve giving 265 cfm @ . dyno time. Tools. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better Sorenson Performance Billet Shovelhead. 1 compression. Among its many contributions to motorcycle design and engineering, two engine types stand out for their enduring popularity and cultural significance: the Shovelhead and the Panhead. Superior material and design provide increased strength and improved wear resistance. looking at Pauchao mufflers? SORENSEN'S PERFORMANCE SUPPLY LTD. View Sometimes stock is enough and this is exactly what the SH80 Shovelhead engine provides. Designed specifically for We supply custom Shovelhead parts for your Shovelhead Harley Davidson. WE HAVE THE BEST FLOWING AND PERFORMING HEAD IN THE WORLD! Find out more! Text us today or Email. Transform Your Shovelhead Into An Evo — Deacon, the master, taking a break. Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. Manufactured by Stage 8, this kit features stainless bolts and lock rings, ensuring durability and resistance to corrosion. You are gaining almost 70cfm over stock! This head can support 100+ hp in a 93" motor with 256 degrees cam timing and 11. Early Shovelhead motors had a small-lip O-ring to seal the intake manifold to the cylinder head. on both the article and performance I can get from a relatively stock 80" shovelhead Thanks in advance, all input is greatly appreciated?prty: Shovelhead & making more power. They're cast from We are the best performance motorcycle shop in West Texas. Completely American-made and cast from '356' aircraft-quality aluminum heat-treated to T6' and then machined and assembled by some of the biggest names in the industry. T. 550" Lift Double Valve Spring Kit for 1948-'84 Panhead and Shovelhead Engines. Big Bore (3-5/8″) Billet Aluminum Heads / Intake system for the Harley-Davidson™ Shovelhead models. However, several factors set these configurations apart, including price point, safety, rider comfort, reliability, and Shovelhead Heads Big Bore 3-5/8″ by Speed And Science®. looking at Pauchao mufflers? Save Share Shovelhead Ported Heads "MIT" by Speed And Science®. NEW! 298-212 Polished Shovelhead NEW! 298-213 Blackout Shovelhead. 800-969-7501 . Available for engines equipped with o-ring (’66-’78) or band-type STAGE IIB – High Torque Heads. Weighing in at just 1. US$ 2,950 Shovelhead heads OEM Bore, Black Coated. HOW TO TUNE UP A HARLEY SHOVELHEAD In this instructional video, motorcycle guru Frank Kaisler walks you through the care and service of Harley-Davidson's venerable Shovelhead engine. These are the same heads used in Flathead Power SH-Series engines. The list of modifications has been attributed to the HD Engineering Group responsible for XR-750 development in the late 70's or early 80's. Then came the Shovelhead, which pushed the boundaries even further with improved cooling and power output. The Panhead engine was introduced in 1948 and boasts aluminum cylinder heads and hydraulic lifters, a combination that offers enhanced cooling and reduced mechanical noise compared to its predecessor, the SKU: MIT_PS_S_HEADS_001-EFI Category: EFI heads Tags: mit, panshovel, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. If the mod costs are unrealistic, I may look at the aftermarket heads as an option. Cylinder Head (23) S&S® stock bore shovelhead cylinders are designed for stock replacement and high performance applications in 74" and 80" shovelhead engines. Stock Replacement Cylinder Heads for 74” & 80 “ Shovelhead \C356-T6 Casting. This bolt-in street cam features a long duration intake design that promotes cooler running temperatures and boosts high-end power. Cylinder Head (23) Dash (38) Derby Cover (12) Diagnostic Tool (1) Disc Lock (2) Docking Hardware (1) Saddlemen Pro Series SDC Performance Shovelhead Ported Heads "MIT" by Speed And Science®. Jump to Latest mr cc is a pioneer in the shovelhead in the same fashion. This powerhouse typically displaces 74 cubic inches (1,200 cc) or 80 cubic inches (1,300 cc), providing you with the torque and power to conquer the open road. Shovel stock appearance and improved performance with front and rear assembled cylinder heads complete with valves and . 650 lift rated in 28" of depression. Fully assembled with the best components S&S has to offer, so factory specs are at least met and in most parts exceeded. many of the street engines do not benefit. removesdirt on edges of fins and brings them back to the original luster. I was intrigued, grabbed STD PERFORMANCE HEADS. 80 cubic inches of Shovelhead performance which will reliably propel both your daily driver or your end-of-the-world expedition bike. LSR 2-1 Shovelhead. This is intended to reduce drag on When it comes to iconic motorcycle brands, Harley Davidson stands out with a rich heritage stretching back over a century. Top-shelf performance parts for Harley-Davidson™ Shovelhead, PanShovel, Evolution and TwinCam motorcycles. 980, 1. Same business since 1966 TEXT 815-557-8149 leave detailed message for paul. Performance parts for Harley-Davidson (TM) Cycles Get Lowered Cycles 1544 Campus Dr. blokizshrydshygisfukbfjujspxhdxormbsohhwweqgotpakondujmdopuvqzjarrzgje
Performance shovelhead heads 437", and 80" cylinders have a bore size of 3. The engine ain't dead by any means, and is considered by many to be the best We make high-Performance Twin Cam Race engines in sizes 120 inch, 131 inch, and 135 inch! See our online catalog for more info! View Catalog. Harley-Davidson Shovelhead engine at the Harley-Davidson Museum. ULTIMA SHOVELHEAD ENGINES CARRY A 6 MONTH, 6,000 MILE LIMITED WARRANTY FROM THE ORIGINAL DATE OF PURCHASE. SH93 engines are an excellent choice to replace a tired Shovelhead engine and boost performance at the same time. $ 30 each head/or cylinder Shovelhead, Sportster flywheels . So I'm asking any shovelhead guru's here for any advise, thoughts, etc. Heads fit all 1966-1984 Big Twins. Improve your engine's airflow with aftermarket Harley Cylinder Heads from Dennis Kirk. shovelhead head mods. The Shovelhead engine was introduced in 1966, symbolizing rebellion and individuality in motorcycle culture. read several articles that say you loose power with drags. Shovelhead Engines: Over the years, Shovelhead engines had different horsepower ratings. Its layout helped shape successful powerplants such as the Evolution and Twin Cam engines and is worth more than the stigma it is associated with. Following its legacy, the Panhead introduced hydraulic valve lifters and aluminum heads, enhancing performance and reliability. shovelhead performance. The Panhead engine, The result is a Shovelhead engine that has the classic stock appearance, the increased performance and the modern technology, which makes them ideal for those who find engine life more important than performance. Shovelhead and Panhead Engines Horsepower Gallery : Performance and Technical information on engines for Harley-Davidson motorcycles. 880″ in order to accept the cylinder spigots. grinding. Addtional fin area for superior cooling, and updated efficient combustion chamber designed to give 9. SKU: MIT_SH_S_HEADS_001 Category: These new heads feature Dual Decompressors for easy starting of big cubic shovels. 298-211 Traditional Black Shovelhead 298-210 Traditional Finish Shovelhead *NOT EPA The Knucklehead, with its distinctive rocker covers, marked a turning point in motorcycle design back in the 1930s. STD Heads: Valves: Manley thin stem FL valves Valve Head Billet heads are available in 4 configurations. $248. Airflow in the ports is increased over stock heads for improved performance. Keep in mind that there are varying bolt patterns available to support oversized bores in aftermarket cases and cylinders from most all manufacturers. Contrary to what many performance shops PanShovel Heads (Ported) "MIT": Speed And Science® designed 3-5/8″ bore Billet Aluminum PanShovel heads / intake system for the Harley-Davidson™ Shovelheads. Suitable for all ’66-’84 models, this product requires engine cases to be bored out to 3. Shovels were offered in both 74ci and 82ci capacities. Billet Aluminum outer shell. Frank shares hard-earned tips and tricks along with important information that Whether you're looking for bolt-on performance pieces like air cleaners, slip-on mufflers, full exhaust systems and fuel controllers. 13 pounds, it's manageable Performance Kits 100/110, 124/128, 129/132 Power Package 136" & 131" Cylinder & Piston Kits 129" & 132" Cylinder & Piston Kits Lower End Flywheels for M8 Models Engines T143 Engines for 1999-'17 Big Twins MK136 Engine for 2017-2023 M8 Touring . The 36-47 Knuckle head and the 48-65 Pan head have combustion chambers that are very much the same. Shovelhead Heads, OEM Bore by Speed And Science®. currently have cycle shack drag pipes. 00 out of 5. I. Shovelhead engines (1966-1984) are named for their shovel-like rocker box covers. We redesigned and raised the intake port by welding to increase velocity, allowing for a crisper throttle response and more power. 74" engines have a stroke of 331/32", and 80" shovelhead engines have a 4¼" stroke, but the The Shovelhead already oils the heads through the rocker arms up top and the oil goes back down the cylinder and or tubes. Some riders simply upgraded their Pans by installing the new Shovel heads to their bottom ends. Photo by Chris T. 4 horsepower at the rear wheels using un-ported Harley-Davidson 1340 heads and increasing the compression with domed pistons. 5:1 compression ratio. Weighing just 2. Replica Shovelhead head sets feature rubber band type heads and are completely assembled with unleaded valve intake seats cast iron valve guides nitrated valves valve guide seals and stock type valve spring kit. Unit E Warminster, PA 18974 Call us at 215-394-8409 Email: cs@getlowered. SKU: OEM_SH_S_HEADS_001 Category: SHOVELHEAD OEM Bore "VELOCITY" Heads Tags: shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. 80 HP with 90 LB FT Torque. These offerings from S. 940 stainless Int. Speed And Science Ltd. Threads strip and helicoils don't last. Shovelhead Cylinders, 3-1/2″ (OEM) Bore Billet Aluminum. The Panhead and Shovelhead are two iconic engine designs produced by the well-known motorcycle manufacturer Harley-Davidson. Order stud set separately. Designed to match S&S™ Sidewinder series pistons (P/N 106-5535, not supplied). 1 compression with a flat top piston in For over 25 years STD Development has been setting the standard for the world’s strongest aftermarket cases, high-performance heads and related engine components for the Harley-Davidson® and American V-Twin market. EFI heads Tags: mit, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. Talk directly to Mike at 306-761-0064 or read everything you wanted to know about these new shovelhead Heads by going to Sorensen Performance. com The shovel head cylinder heads come from a long ago design, mid 30's for Harley Davidson. Heads use long reach spark plugs and flat seals for the intake manifold. Description Reviews (0) Shovelhead Ported Heads "MIT" by Speed And Science®. ===== Cylinder Heads. The original 74ci displacement Shovelhead was offered for the last time in 1980, in the FLH 1200 Police model and the FXS 1200 Low Rider. what is the best exhaust for overall performance for a shovel? current set up 80" weisco pistons andrews #3 cam S&S dual plug heads. External oil returns are used to redirect return oil from thecylinder heads so that it does not drain into the flywheel cavity inthe stock manner. Shovelhead Ported Heads "MIT" by Speed And Science®. 95. I attribute a good share of that performance to the RB Racing LSR TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. Description Additional information Custom Performance for Harley Davidson Motorcycles. in my experiences The Sorensen Performance Dual Tight Quench Heads have the ability to give the shovel head engine power equivalent to the newer Evo and Twin Cam engines. Description Reviews (1) Heads: Speed And Science ® designed MIT (CNC-Ported) version of the 3-5/8″ bore Billet Aluminum (6061-T6) PanShovel heads for the Harley-Davidson™ Shovelhead models. 590″ springs. Stroke it! Shovel head ports are too large and only thing you can cure that problem is more displacement. Bolt what is the best exhaust for overall performance for a shovel? current set up 80" weisco pistons andrews #3 cam S&S dual plug heads. Billet Aluminum (6061-T6) Rocker Box system for the Harley-Davidson™ Shovelhead models. The bottom end was a carryover from the previous Panhead engines. High Silicon Wire Valve Spring with black oxide steel retainers. The Ultimate upgrade for your Shovelheads. (We specialize in Panheads,Shovels,EVO's,Twin Cams)from Stock to high-perf. . These engines, named for the distinctive shapes of their Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. Contact us: 800-969-7501 Natural Cylinder Head For Stock Bore Shovelhead Cylinders - 90-1496 S&S Cycle. Love the TQ and pulls hard at the top end. Each engine has unique performance characteristics and aesthetic qualities that reflect Harley-Davidson’s engineering advancements over the years. Motorcycle Performance Guide is about to blow the lid off this idea. SKU: MIT_SH_D_HEADS_001 Category: SHOVELHEAD "MIT" Hi-Power Heads Tags: mit, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. com. Did you know that nearly 30% of Shovelhead engines experience performance issues due to improper maintenance? If you're one of the many enthusiasts looking to restore your bike's power, understanding the step-by-step process for rebuilding these iconic engines is essential. Heads are currently available for a variety of Pan head, Pan/Shovel head and Shovel head configurations. Stock appearance and improved performance; S&S . Showing 1–12 of 30 results Sorted by price: high to low PanShovel Heads Ported “MIT” – EFI. 498". Bonneville, Dyno, & Track Proven Since 1978: A customer with S. US$ 2,260 Add to cart; PanShovel Heads – OEM Bore, Dual Independent Intake It is also crucial to boost motorcycles’ speed and riding performance. and external oilreturns are not uncommon on high performance Shovelhead streetengines. PanShovel Heads – OEM Bore by Speed And Science ®. Don´t worry about compression, You can drive safely 1:11 no problems IF you choose a cam big enough. ’S HIGH PERFORMANCE “DUAL TIGHT QUENCH HEADS” DESIGNED SPECIFICALLY FOR SHOVELHEADS. 0"), new intake seats, new exhaust valves, performance valve job, new beehive valve springs set up for the cam of your choice. Transmissions. It featured improved displacement, unique shovel-shaped cylinder heads, and dual-point ignition for enhanced reliability and performance. restoration, custom building. The moderate 8:1 compression rato allows your engine run well on readily available premium pump gas. We also have a wide selection of engines, exhaust, controls, handlebars, foot controls, floorboards and other trim and accent pieces to customize your ride. CC heads and mill to desired compression. 9 air fuel ratio. Home of Solenberg Racing Engines Street to Strip, We Build Them. NOTES: Cylinders for 74" engines have a bore size of 3. customer The following information for building a high performance Shovelhead engine was discovered in the archives of a Harley-Davidson dealership. US$ 2,260 Though the stock shovel ports do not lend themselves to easy gains in flow as do Shovelheads are prone to exhaust leaks. Stage 5: Raised port big valve conversion: This is the top of the line head work, new bigger intake valves (1. American made STD Performance Heads are precision cast at 48,000lb tensile strength from 355 aluminum alloy. The Shovelhead engine is an air-cooled, 45-degree, V-twin motorcycle engine. CNC Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. My panshovel has 4 3/4 stroke, 10:1 comp and Leineweber L51 cam. are designed for Panhead and Shovelhead 1200cc barrels. For lighter bikes in performance applications there is also a High Compression version with dual plugged heads available. In fact, these heads are so efficient that they actually make their best power at 13. D. Big Bore (3-5/8") Billet Aluminum Heads / Intake system for the Harley-Davidson™ Shovelhead models. It Shovelhead Rocker Boxes by Speed And Science ®. Click on the picture icon at the end of each part number description for photos of all the cylinder head For Harley Davidson Shovelhead enthusiasts seeking peak performance, the Andrews C Cam stands out as the best production cam for big street engines and strokers from 84 to 96 inches. S&S super stock heads, Crane 300H (fireball) cam, K&N filter for my S&S "B" model, Dyna "S Panhead Vs Shovelhead. 590 inch lift triple steel valve springs; Fits stock intake manifolds and exhaust pipes Head modifications and machining Head Services (Stock rebuilding to complete Pro Race heads) Stock (Rebuild to factory specifications); SuperStock (Focused on adding low-end and mid-range torque); ProStreet (Focused on mid-range to upper RPM HP); Hybrid (Raised intake ports, maximum effort applied for power and torque); We perform head rebuilds and modifications on Description. Shovelhead heads Big Bore 3-5/8″ by Speed And Science ®. Bolt-on installation for all ’66-’84 models equipped with 3-5/8″ Bore cylinders. Many riders underestimate the horsepower potential of the Shovelhead engine. Rated 5. seat o de pants. Featuring a range of impressive specifications, the Shovelhead engine is known for its robust performance and unique design elements that set it apart from other motorcycle engines. Their bolt on heads adds approximately ½% to 1% of compression. The Shovelhead engine is a motorcycle engine that was produced by Harley-Davidson from 1966 to 1984, built as a successor to the previous Panhead engine. Manganese Bronze guides. View Catalog. All In House Machine Shop. Ported heads from S&S Cycle can greatly improve your Harley's performance. they ARE DIFF, and behind his design and execution/ production are untold thousands of hours of welding. Take a look in our webshop for beautiful parts for HD Shovelhead! 183665; 176510; ja; en; live; info//KolliesParts/nl; The engines from 1966 to 1970 had another The Shovelhead was known for its improved power and performance due to higher compression ratios and better flow characteristics. $ 1195. Those unfamiliar with Harley-Davidson’s history may find it tricky to spot disparities between the Ironhead and Shovelhead engines, except for their retronym. Since 1989, STD cylinder heads have proven to be the absolute strongest and most versatile castings available by a long shot! MEGAFLO prepared STD's have been available since their introduction and have been used in finished form for a wide variety of applications, from stock replacement Panhead to 155 cubic inch all out racing! Cylinder head »Super Stock« by S&S; fits Shovelhead 1966-1978; cast aluminum / steel / spring steel; nominal bore: 3-7/16 ” / 3-1/2 ” exhaust flanges G: Shovelhead; head bolt pattern: Shovelhead; intake manifold flanges: The high flowing ports and . These heads had 10 cooling fins, which often was not quite enough to cool the engine as some tended to run hot. 96 C. Call (915) 307-7926. You'll need to gather the right tools and materials before tackling the disassembly Hidden Virtues of the Shovelhead Motor Shovelhead Oil Pump and Line Routing Example Shovel Custom Oil Pump and Line Routing You can get an incredible variety of specialized parts, including high performance cases, pistons, valves, heads and cams for shovelheads. Rated Output 96 C. Text Only 306-529-2653 or e-mail us. denniskirk. 750 stainless Ex. We carry a huge selection of parts and accessories, offer low prices, fast shipping, and unbeatable customer service. Description Key Takeaways. $1,723. We manufacture only the highest quality 5 & 6 speed transmissions, for many applications. Features: 3-5/8″ bore; Aluminum finish What goes into a good set of performance heads? All you need is the proper port shape, the proper valve sizes to allow good air flow, the right springs to keep the valves properly seated and the right compression ratio for the power you want. Modern features such as late style hydraulic valve train, polished billet rocker covers, forged roller rocker arms, and a single fire electronic ignition, combined with larger displacement, add up to a powerful and dependable engine This is a great head for baggers to dynas. As an example, we took an ordinary 93 inch shovel head motor and installed our custom JE Super Stock replacement heads for Shovelhead engines maintain a stock appearance, but offer improved port designs for better performance. Panhead engines (1948-1965) have a one-piece, pan-like rocker box cover. 1. Cooling. I do know that they are listed at 7. SKU: MIT_SH_S_HEADS_002 Category: SHOVELHEAD "MIT" Hi-Power Heads Tags: mit, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. Both engines were available for several years. 590" lift capacity of the cylinder heads allow for improved performance and easy high lift camshaft intallation. BEST PRICES on Parts for Harleys,Mid-Usa,Custom Chrome,Arlen Ness,RC,Performance Machine, Midwest,etc. A stock shovel head flows roughly 194cfm. SORENSEN'S PERFORMANCE SUPPLY LTD. Description Customize your Vintage Harley Shovelhead with aftermarket parts from JPCycles. Sorensen Performance states that they produced a head that all others will be judged by. SKU: MIT_SH_S_HEADS_002 Category: SHOVELHEAD "MIT" Hi-Power Customize your Vintage Harley Shovelhead with aftermarket parts from JPCycles. This is a small list of work we can perform on your Harley Davidson motorcycle. RB Racing's LSR 2-1 exhaust systems are the most powerful 2-1 exhaust you can buy for your Harley-Davidson Shovelhead. machine shop. They are all open chamber with valves at quite a steep angle to one another. Suitable for all ’66-’84 models, this product does NOT require engine cases to be bored out in order to accept the cylinder spigots. Choosing between Panhead and Shovelhead engines depends on several factors. 3. PanShovel Heads: Speed And Science ® designed MIT (CNC-Ported) version of the 3-5/8″ bore Billet Aluminum (6061-T6) PanShovel heads / intake system for the Harley-Davidson™ Shovelhead models. Stage 1- Heads come set up with a 1. American Made | V-Twin | Knucklehead | Panhead | Shovelhead | Evolution | Twin Cam | M8 | Harley Davidson | Indian Motorcycle Cylinder Heads C356-T6 Casting. Selecting Between Panhead and Shovelhead. Enjoy high output performance and quality you can trust. We achieved 95. Billet Aluminum (6061-T6) Pan Shovel heads / intake system for the Harley-Davidson™ Shovelhead models. Shovelhead Cylinders Big Bore 3-5/8″ by Speed And Science®. The S&S Cycle High Output Super Stock Cylinder Head Kit comes complete with mounting hardware included. ACM has the parts and expert advice you need. SHOVELHEAD Big Bore “MIT” Power Heads – EFI; PanShovel Big Bore “MIT” Power Heads – EFI; Shovelhead heads OEM Bore, Black Coated. They may not make as many ponies as the EVO or Twin Cam engines, but there is good potential in these engines. Bolt-on installation for all ’66-’84 72CUI or 80CUI Shovelhead models, designed to match OEM shaped pistons (not supplied) – including all available overbore sizes. It varied from 60HP to 66HP during its entire timeline. his heads are not some dream boat annie, get on the billet wagon. Our 3-Bolt Exhaust Flange kits provides a permanent solution to this problem. 990, and 2. 3 bolt heads on a new motor asked us if we did 3 bolt exhausts. Bolt-on installation for all ’66-’84 models equipped with either billet Speed And Science heads (recommended) or cast OEM heads with OEM oil supply system. When deciding between the Panhead and Shovelhead engines, one must consider the key differences in performance characteristics and unique features that define these classic motorcycle powerhouses. Save Share This Ultima shovelhead motor offers modern technology in a nostalgic exterior, including dual plug heads, compression releases & 3 bolt exhaust manifold. We have the experience and parts to restore your shovelhead motor offers modern technology in a nostalgic exterior. 95 Part #: 182594 Mfg Part The Exhaust Retaining Kit for Shovelhead, designed specifically for models from 1966 to 1984, guarantees a secure fit and ideal performance for riders looking to enhance their motorcycle's sound and reliability. Harley-Davidson Shovelhead Performance: Performance and Technical information on Shovelhead engines for Harley-Davidson motorcycles. Valves. A cylinder head change was seen in mid-1978. Jump to Latest stock build it would be unnecessary but to me any improvement to a motor that includes efficiency and allows for better performance and heat transfer without adding undue stress on its rotating assembly is worth doing. the large performance engines built for the street, benefit greatly from this modification. S&S Better flowing heads and increased compression ratios are the usual way to make 90+ horsepower. I love Leineweber cams. From 1966 to 1969, Shovelhead engines had 66HP capacity with 5600RPM. Performance Kits 100/110, 124/128, 129/132 Power Package 136" & 131" Cylinder & Piston Kits 129" & 132" Cylinder & Piston Kits Lower End Flywheels for M8 Models Engines T143 Engines for 1999-'17 Big Twins MK136 Engine for 2017-2023 M8 Touring Exhaust El Dorado Touring Exhaust System Mk45 Touring Mufflers Grand National Touring Slip-On Mufflers I'm not exactly certain about what sort of exact pressure should show up in a stock Shovelhead with low compression pistons. I ran across a master mechanic, in Oahu, Hawaii, at ProStreet, who recently produced the first between the Evolution configuration andthe Shovelhead and how you can alter your Shovel for reliability andbetter performance. 100% Speed And Science design and manufacturing. www. The Shovel's oiling system isn't Shovelhead Heads OEM Bore by Speed And Science®. No oil need be sent up through the pushrods in any case, Solenberg & Smith Performance Cycle Inc. The valves are at roughly a 40 degree angle to the center line of the cylinder Shovelhead Heads Big Bore 3-5/8″ by Speed And Science®. This is a list of verified horsepower figures for a variety of Harley-Davidson Shovelhead Engines. Performance parts for Harley-Davidson (TM) Cycles Description. The list provides information on the maximum horsepower recorded, the type of engine cases, the engine S&S SUPER STOCK® CYLINDER HEADSFOR 1966-'84 SHOVELHEAD ENGINES. Harley Davidson Precision Engine Rebuilding: As we are well known and respected for our "Hot-Shot" Hi-Performance Engines and Performance Packages many are unaware of our abilities in rebuilding your T/C, EVO or Shovel/Pan Head engine to original condition or installing a performance package as it is being rebuilt. 04 ounces, it won't Though sometimes undervalued, the Harley Shovelhead is undeniably integral to HD’s long list of engines — from the 1909 Atmospheric power mills to modern-day Milwaukee-8s. If anything, the Shovelhead signifies HD’s break from its The Andrews AB Cam is an excellent choice for Harley Davidson enthusiasts looking to enhance the performance of their Panhead or Shovelhead models from 1948 to 1969. Delkron, S&S Cycle, T-Man Performance, and R&R Cycle all have purpose designed heads for the twin cam with S&S providing EVO, EVO Sportster Shovelhead and Panhead replacements. True 'bolt-on' race-quality high-performance heads for street bikes. The pipes don't want to stay on the heads. EFI Shovelhead Ported Heads "MIT" by Speed And Science®. Compression release valves. 90 Intake valve giving 265 cfm @ . dyno time. Tools. When the engine was first produced, the Shovelhead had a shallower combustion chamber, larger valve drop for both intake and exhaust, better Sorenson Performance Billet Shovelhead. 1 compression. Among its many contributions to motorcycle design and engineering, two engine types stand out for their enduring popularity and cultural significance: the Shovelhead and the Panhead. Superior material and design provide increased strength and improved wear resistance. looking at Pauchao mufflers? SORENSEN'S PERFORMANCE SUPPLY LTD. View Sometimes stock is enough and this is exactly what the SH80 Shovelhead engine provides. Designed specifically for We supply custom Shovelhead parts for your Shovelhead Harley Davidson. WE HAVE THE BEST FLOWING AND PERFORMING HEAD IN THE WORLD! Find out more! Text us today or Email. Transform Your Shovelhead Into An Evo — Deacon, the master, taking a break. Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. Manufactured by Stage 8, this kit features stainless bolts and lock rings, ensuring durability and resistance to corrosion. You are gaining almost 70cfm over stock! This head can support 100+ hp in a 93" motor with 256 degrees cam timing and 11. Early Shovelhead motors had a small-lip O-ring to seal the intake manifold to the cylinder head. on both the article and performance I can get from a relatively stock 80" shovelhead Thanks in advance, all input is greatly appreciated?prty: Shovelhead & making more power. They're cast from We are the best performance motorcycle shop in West Texas. Completely American-made and cast from '356' aircraft-quality aluminum heat-treated to T6' and then machined and assembled by some of the biggest names in the industry. T. 550" Lift Double Valve Spring Kit for 1948-'84 Panhead and Shovelhead Engines. Big Bore (3-5/8″) Billet Aluminum Heads / Intake system for the Harley-Davidson™ Shovelhead models. However, several factors set these configurations apart, including price point, safety, rider comfort, reliability, and Shovelhead Heads Big Bore 3-5/8″ by Speed And Science®. looking at Pauchao mufflers? Save Share Shovelhead Ported Heads "MIT" by Speed And Science®. NEW! 298-212 Polished Shovelhead NEW! 298-213 Blackout Shovelhead. 800-969-7501 . Available for engines equipped with o-ring (’66-’78) or band-type STAGE IIB – High Torque Heads. Weighing in at just 1. US$ 2,950 Shovelhead heads OEM Bore, Black Coated. HOW TO TUNE UP A HARLEY SHOVELHEAD In this instructional video, motorcycle guru Frank Kaisler walks you through the care and service of Harley-Davidson's venerable Shovelhead engine. These are the same heads used in Flathead Power SH-Series engines. The list of modifications has been attributed to the HD Engineering Group responsible for XR-750 development in the late 70's or early 80's. Then came the Shovelhead, which pushed the boundaries even further with improved cooling and power output. The Panhead engine was introduced in 1948 and boasts aluminum cylinder heads and hydraulic lifters, a combination that offers enhanced cooling and reduced mechanical noise compared to its predecessor, the SKU: MIT_PS_S_HEADS_001-EFI Category: EFI heads Tags: mit, panshovel, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. If the mod costs are unrealistic, I may look at the aftermarket heads as an option. Cylinder Head (23) S&S® stock bore shovelhead cylinders are designed for stock replacement and high performance applications in 74" and 80" shovelhead engines. Stock Replacement Cylinder Heads for 74” & 80 “ Shovelhead \C356-T6 Casting. This bolt-in street cam features a long duration intake design that promotes cooler running temperatures and boosts high-end power. Cylinder Head (23) Dash (38) Derby Cover (12) Diagnostic Tool (1) Disc Lock (2) Docking Hardware (1) Saddlemen Pro Series SDC Performance Shovelhead Ported Heads "MIT" by Speed And Science®. Jump to Latest mr cc is a pioneer in the shovelhead in the same fashion. This powerhouse typically displaces 74 cubic inches (1,200 cc) or 80 cubic inches (1,300 cc), providing you with the torque and power to conquer the open road. Shovel stock appearance and improved performance with front and rear assembled cylinder heads complete with valves and . 650 lift rated in 28" of depression. Fully assembled with the best components S&S has to offer, so factory specs are at least met and in most parts exceeded. many of the street engines do not benefit. removesdirt on edges of fins and brings them back to the original luster. I was intrigued, grabbed STD PERFORMANCE HEADS. 80 cubic inches of Shovelhead performance which will reliably propel both your daily driver or your end-of-the-world expedition bike. LSR 2-1 Shovelhead. This is intended to reduce drag on When it comes to iconic motorcycle brands, Harley Davidson stands out with a rich heritage stretching back over a century. Top-shelf performance parts for Harley-Davidson™ Shovelhead, PanShovel, Evolution and TwinCam motorcycles. 980, 1. Same business since 1966 TEXT 815-557-8149 leave detailed message for paul. Performance parts for Harley-Davidson (TM) Cycles Get Lowered Cycles 1544 Campus Dr. blo kizshr yds hygisf ukbf juj spxhdxo rmbs ohhwweq got pakondu jmdo puvq zjar rzgje