Performance shovelhead heads 00 Pan Shovel Heads - OEM Bore by Speed And Science ®. For a truely 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 However, I strongly recommend conducting your own fact-check/research on the engines’ performance figures. Shovelhead Rocker Boxes. S. Pictures for Description “REVO” Performance Heads – 3-1/2″ Bore Billet Aluminum (6061-T6) Heads for the Harley-Davidson™ EVOLUTION models. Billet Aluminum (6061-T6) PanShovel heads / intake system for the Harley-Davidson™ Shovelhead models. Shop by Gec from Croatia. Our extensive line of American-made performance parts include our legendary Branch heads, cylinder head porting, and pistons; all designed to help you get the most out of your Harley Davidson. Opens in a new window or tab. Sorensen Performance states that they produced a head that all others will be judged by. Shovelhead Heads Ported “MIT” – EFI; PanShovel Heads Ported “MIT” – EFI; Timing Covers. With a Be the first to review “#532-347 (B) Cometic® 3-13/16” Shovelhead Copper . Balanced 3-13/16" stroke flywheels with heavy-duty connecting rods. You can use your stock flat top piston, or for the 117/124 motors, you can use our high compression, 20° Performance Intakes, Carbs, Heads & More! Premium Camshafts, Valve Train & More! Performance Transmissions, Drivetrain & More! Push-Rods: Shovelhead Push-Rod (Long) Black Shovelhead Cylinders, 3-1/2" (OEM) Bore. waltcentral. awe jam. Best selection, low prices & orders over $89 ship free. Stage 1- Heads come set up with a 1. He explained the differences between the SHOVELHEAD HARLEY ENGINE 93" and 103" 1966-1996 & 1970-1999; PANHEAD HARLEY ENGINE 74"/93"/103" 1948-1999; KNUCKLEHEAD HARLEY ENGINE 74"/93" 1936-1999; Our expert head 7. Investigate what's out there and what you want or expect for performance. PanShovel Heads: Speed And Science ® designed MIT (CNC-Ported) version of the 3-5/8″ bore Billet Aluminum (6061-T6) PanShovel heads / intake system for the Harley-Davidson™ Shovelhead models. US$ 2,030 Add to cart; Shovelhead Heads OEM Shovelhead Heads Big Bore, Dual Independent Rammer Performance Air Cleaners TC Performance Heads 100+HP: Pro Tuning on a Shade Tree Budget How to build a High Performance Shovelhead Engine The following information for Description. I. In a lot of cases it just isn’t worth it to try to rebuild the old, cracked, worn out cylinder heads or to bore the stock 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 Get the best deals for Shovelhead Heads at eBay. 3 bolt heads on a new motor Down shifting and EVO Performance Heads; SHOVELUTION Cylinders; EVOLUTION Spare Parts; TWINCAM. The Ultimate upgrade for your Shovelheads. Skip to main content *FREE SHIPPING ON ALL U. Bolt-on installation for all ’66-’84 72CUI or 80CUI Shovelhead models, RB Racing's LSR 2-1 exhaust systems are the most powerful 2-1 exhaust you can buy for your Harley-Davidson Shovelhead. For over 25 years high-performance heads and related engine components for the Harley-Davidson® and American V-Twin market. Shovelhead Heads Big Bore, Dual Independent Intake US$ 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 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. WE HAVE THE BEST FLOWING AND PERFORMING HEAD IN THE WORLD! Find out more! Text us today or The SP Dual Tight Quench Head. S&S® Super Stock® replacement heads for Shovel engines are cast from a special alloy developed for use on air-cooled aircraft engines. This is a small list of work we can perform Performance Top-End parts for the American V-Twin engines. Top-breathing (OEM venting ports location) 3 Bolt Exhaust Flange (STD bolt pattern): weld-on exhaust flange set for the Shovelhead engines. 2. We redesigned and raised the intake port by welding to increase velocity, allowing for a crisper throttle response and more power. THEY claim there heads run such and such cooler etc. 96 C. Compression Calculator. Bolt shovelhead performance. Bolt-on installation for all ’66-’84 SKU: MIT_PS_S_HEADS_001-EFI Category: EFI heads Tags: mit, panshovel, shovel, shovel performance, shovelhead, shovelhead heads, shovelhead performance. SHOVELHEAD ENGINE CARRIES A 6 MONTH LIMITED WARRANTY Sorensen Performance has Expanded with more CNC equipment . HIGH PERFORMANCE “DUAL TIGHT QUENCH HEADS” DESIGNED SPECIFICALLY FOR SHOVELHEADS. 00 out of 5. D. Billet Aluminum (6061-T6) SKU: OEM_SH_S_HEADS_001 Category: SHOVELHEAD OEM Bore "VELOCITY" Heads Tags: shovel, shovel performance, shovelhead, Keeping up with the Ronzellos is not for sissies! This family is nuclear powered! In a mere 5 years what began as a father-son hobby of souping up Jr. Shovelhead Ported Heads “MIT”, Designed specifically for 1978-1984 Harley Davidson Shovelhead models, the Andrews A2 Cam enhances mid-range and high-end power without affecting idle performance. 1. I am Shovelheads were fitted into all of HD’s Big Twin cycles at the time, including FL and FX models. Shovelhead Heads OEM Bore, SUPER E Intake. Performance . SHOVELHEAD; EVOLUTION; Shovelhead Heads OEM EFI Shovelhead Ported Heads "MIT" by Speed And Science®. Valves. T. Engine Kits; #798-306 – This boring plate kit has Panhead and Shovelhead head bolt patterns in one end while the other end is machined with the cylinder base patterns of 1936-1999 Big Twin and 1986 As a result, each upgrade has seen brilliant engineering. Shovelhead heads OEM Bore, DUAL INDEPENDENT Intake. Longevity and Maintenance Considerations Shovelheads and currently have cycle shack drag pipes. greg51 · Registered. $ 30 each head/or cylinder Shovelhead, Sportster flywheels . SHOVELHEAD; Deacon, the master, taking a break. Bolt-on installation for all SORENSEN'S PERFORMANCE SUPPLY LTD. Available for Evolution and Shovelhead applications. For that money you can get some cam, ignition and get the heads machined for dual plugs. Shovelhead Ported Heads by Speed And Science ®. Full Member; Posts: Special design, fits 1970-1984, 4-speed Shovelhead frames. SHOP. ALL billet vendors say this, and in alum fact. These are the same heads used in Flathead Power SH-Series engines. Free delivery in 2-4 Maintenance Tips for Shovelhead Engines. Photo by Chris T. TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. You are gaining Shovelhead performance talk/build. Talk directly to Mike at 306-761-0064 or read everything you Valve springs can handle . The Panhead engine is renowned for its distinct TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. CNC Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. The Shovelhead remained in production until it was weened out in 1985. We have a great online selection at the lowest prices with Fast & Free shipping on many items! After dyno session re torquing heads, Being a composition gasket isn't the problem either. www. 880″ in order to accept the cylinder spigots. Undersized by -. For optimal performance and longevity of your Shovelhead engine, ensure you monitor the head temp gauge regularly. Manganese Bronze guides. Joined Feb 5, 2009 · 42 Posts #21 · Oct 15, 2010. 650 lift rated in 28" of depression. Just the part you need to make your Shovelhead growl again. 760" ID, 3/16" mild steel. Each option, from the S&S Cycle 910-0481 to the V-Twin Evolution kits, offers unique benefits that can Performance Powertrain. Designed / manufactured in Canada by Speed And Science. The Shovelhead went through two main iterations that owners EVO Performance Heads; SHOVELUTION Cylinders; EVOLUTION Spare Parts; TWINCAM. 95 - Original price $2,595. Check your local, state and federal laws. removesdirt on edges of fins and brings them back to the original luster. LSR 2-1 Shovelhead. A true bolt on head using low dome pistons; For maximum performance try our SP designed CP piston and ring set for increased compression Shovelhead Heads Big Bore 3-5/8″ by Speed And Science®. It featured improved displacement, unique Get the best deals for harley shovelhead cylinder heads at eBay. 0” Billet Aluminum (6061-T6) Heads for the Harley-Davidson™ Twin Cam models. VOES Explained. Joined Apr 8, 2010 · 36 Posts #21 · Oct 11, 2013. Performance parts for Harley-Davidson (TM) The following information for building a high performance Shovelhead engine was discovered in the archives of a Harley-Davidson dealership. Sidewinder 3-5/8" bore cylinders with forged 11:1 compression Super Stock pistons. G. Shovelhead Heads OEM Bore by Speed And Science®. Shovelhead. Engine Kits; Zipper’s Stage III ThunderSport CNC ’04-Up XL/XR1200® Heads. Harley Davidson Motorcycle Service Manuals for Find Harley Shovelhead Engine Performance Kits at Get Lowered Cycles. The one that I looked at tonight has 80a 3-82 and i think 16767 stamped in Performance Top-End parts for the American V-Twin engines. 020” Head Gaskets, Set of 2” Cancel reply Your email address will not be published. SHOVELHEAD; EVOLUTION; Shovelhead Heads Big Bore, EVOLUTION “REVO” Performance Heads – OEM Bore. and end up Shovelhead heads Big Bore 3-5/8″ by Speed And Science ®. This is a fully assembled, bolt-on set, suitable for up to 110CUI models with flat Billet heads are available in 4 configurations. Designed specifically for models For all of you Evolution and Shovelhead owners with exhaust stud issues, Other head services available include: fin repair, machining for outside oilers, Porting and High-Performance. High Silicon Wire Valve Spring with black oxide steel retainers. Only show this user. Description Reviews Their bolt on heads adds approximately ½% to 1% of compression. ) The Shovelhead engine’s better leverage in speed, torque, and horsepower is largely ascribed to its aluminum cylinder Shovelhead Heads Big Bore 3-5/8″ by Speed And Science®. The best flowing BigBore Shovelhead bolt on head on the market! When you absolutely must have the most HP you can have, this head is for you! Used on our 128's and 142's. Top-breathing (OEM venting ports location) Bolt-on Related products. Don't mind the intake ports or other design SHOVELHEAD HARLEY ENGINE 93" and 103" 1966-1996 & 1970-1999; PANHEAD HARLEY ENGINE 74"/93"/103" 1948-1999; Our expert cylinder head porter has This Ultima® Shovelhead motor offers modern technology in a nostalgic exterior, including dual plug heads, compression releases & 3 bolt exhaust manifold. Billet Aluminum (6061-T6) CNC Ported Heads for the Harley-Davidson™ Twin Cam models. We are the best performance motorcycle shop in West Texas. ***UV- and Heat-Resistant Black Anodized parts. Heads are currently available for a variety Find many great new & used options and get the best deals for Harley 103" SHOVELHEAD HEADS High Performance Ported/Polished Dual Plug Ex/Drain at the best online prices at I know by looking at the top of my heads that they are not 66 shovelhead heads because of the fins. The standard of the industry for years, Manley stainless steel valves are manufactured from high temperature materials and feature swirl polished, performance oriented shapes and durable chrome plated stems. Heads use Shop S&S Cycle Cylinder Heads at Dennis Kirk. Harley Davidson brought these two engines during the 1950s to improve their motorcycle performance. 00 out Wood Performance USA Knight Prowler Cams The "Knight Prowler" Cams, designed by Wood Performance Carburetors, are custom manufactured by Andrews Products to exact Wood Performance specifications. A stock shovel head flows roughly 194cfm. US$ 5 Add to cart; BUELL Timing Cover (Vertical holes) US$ 25 Add to . - all new developed Billet Aluminium Cylinder Heads by Speed & Science, Canada - CNC machined from 6061-T6 Aluminium - all new developed port and chamber geometry for respectable HP gains while still maintaining good Each High Output Super Stock Shovelhead cylinder head kit includes front and rear cylinder heads completely assembled with valve seats, valve guides, valves, valve springs, spring collars, valve keepers and valve guide seals ready to run. Performance parts for Harley-Davidson (TM) Cycles. Shovelhead Cylinders Big Bore 3-5/8″ by Speed And Science®. SHOVELHEAD; Shovel stock appearance and improved performance with front and rear assembled cylinder heads complete with valves and . SHOVELHEAD; EVOLUTION; Shovelhead Heads Big Bore, Performance Top-End parts for the American V-Twin engines. Sold in sets. Fast, Free shipping and the best customer service. quote. Rated 5. denniskirk. Description. Performance Powertrain. The Shovelhead engine, named This fully CNC ported head utilizes larger valves and a performance valve job to increase the overall performance of your S&S head. com Screaming Eagle, S&S, Bartel's, Carl's Speed Shop, Sifton, Head Dual plugs on shovel don't do a damn thing, so many ruined heads floating around and no data to back up the dual plug theory. Stock shovelhead head mods. It varied from 60HP to 66HP during its entire TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. 1 2 3. SHOVELHEAD; EVOLUTION; Shovelhead Heads OEM SHOVELHEAD HARLEY ENGINE 93" and 103" 1966-1996 & 1970-1999; PANHEAD HARLEY ENGINE 74"/93"/103" 1948-1999; Our expert cylinder head porter has Find many great new & used options and get the best deals for Harley 103" SHOVELHEAD HEADS High Performance Ported/Polished Dual Plug Ex/Drain at the best online prices at Moonshine Horsepower New +1. Shovelhead Ported Heads “MIT” – EFI; PanShovel Heads Ported “MIT” – EFI; Timing Covers. Bonneville, Dyno A customer with S. Bolt-on installation for all ’66-’84 models equipped with 3-5/8″ Bore cylinders. 210-inch on both valves. I ran across a master mechanic, in Oahu, Hawaii, at ProStreet, who recently produced the first Choppers Only Show in Wakiki. I've read a lot about Shovelhead heads and they seem to be the weakest link of this stock shovel heads have been used in various performance engines for Twin Cam Heads: Speed And Science® newly re-designed “FEROCITY Rev. Only show this user People have a tendency to hog the heads out, Shovelhead Heads Ported “MIT” – EFI; PanShovel Heads Ported “MIT” – EFI; Timing Covers. Rocker cover bolts Harley 103" SHOVELHEAD HEADS High Performance Ported/Polished Dual Plug Ex/Drain. Jump to Latest 21 - 40 of 52 Posts. Contact us: 800-969-7501 TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. A good old Felpro composition gasket like the 1047 is all most performance High Performance Harley-Davidson Motorcycles - Maintenance, Tuning and Modifications What goes into a good set of performance heads? All you need is the proper port shape, Shovelhead Modifications New EFI for EVO and TC: S&S cylinder heads are really state of the art. 90 Intake valve giving 265 cfm @ . SHOVELHEAD; EVOLUTION; TWINCAM; M8; BUELL; Custom Logo; “REVO MAX” Performance Heads – Big Bore Billet Aluminum (6061 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: S&S Cycle Motorcycle & Scooter Cylinder Heads, Cylinder Heads & Parts for Jaguar S-Type, Shovelhead Motor Complete Motorcycle Engines, Stock & Super Stock Drag Racing Parts, Performance Chips for Jaguar S Shovelhead Heads, OEM Bore by Speed And Science®. The Knucklehead, with its distinctive rocker covers, marked a turning point in motorcycle design back in the 1930s. The problem is Shovelhead cams will not work with the Velva Touch lifters and blocks. stomper · Registered. or Best Offer. Speed And Science Ltd. STD Heads: Valves: Manley thin stem FL TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. 00 out Links to useful Shovelhead tools: How to build a High Performance Shovelhead Engine. 100% Speed And Science design and manufacturing. Dave Mackie Engineering high-performance camshafts are not legal in the state of California for use on 1978 The Shovelhead's design features an aluminum head, a significant upgrade from earlier models, which contributes to better heat dissipation and overall performance. Shovelhead Heads Big Bore, Dual Independent Intake US$ 2,060 Add to cart Shovel Intake 40MM for OEM stroke Shovelhead engines US$ 230 Add to cart Shovel Dual Intake for OEM or Long Stroke Performance Top-End parts for the American V-Twin engines. s’ Sporty, has evolved from Dynos in the garage and a machine shop in the basement, into a Shovelhead Rocker Boxes by Speed And Science ®. read several articles that say you loose power with drags. Required fields are marked 6655 Amberton Drive, STE A Elkridge, MD 21075 (410) 579-2828 Monday - Friday 9AM to 6PM EST These improvements in both performance and reliability have made the Panhead a beloved choice among classic motorcycle enthusiasts. 750 stainless Ex. 590″ springs. SIMPLE INSTALLATIONBecause S&S cylinder heads for Shovelhead engineshave Super Stock replacement heads for Shovelhead engines maintain a stock appearance, but offer improved port designs for better performance. Shovelhead heads OEM Bore, DUAL INDEPENDENT If you're looking to boost your Shovelhead's performance in 2024, you'll want to evaluate the best big bore kits available. SHOVELHEAD; Black Shovelhead Ported Heads "MIT" by Speed And Science®. Following its legacy, the Panhead introduced hydraulic valve lifters and aluminum heads, enhancing Rammer Performance Air Cleaners TC Performance Heads 100+HP: Pro Tuning on a Shade Tree Budget Harley-Davidson. 00 out 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 Black Shovelhead Heads OEM Bore by Speed And Science®. View Details Compare. When discussing the performance aspects of Panhead and Shovelhead engines, it’s crucial to consider factors such as power output, reliability, and fuel efficiency. These Cometic® Gasket Sets for Shovelhead & Ironhead Sportster® Engines - These gaskets are used in critical sealing surfaces such as rocker box and cylinder base gaskets. 95. The S&S Cycle High Output Super Stock Cylinder Head Kit comes complete with Improve your engine's airflow with aftermarket Harley Cylinder Heads from Dennis Kirk. Showing all 30 results Shovelhead Heads OEM Bore, KEIHIN CV Single Intake. Selecting the proper cylinder head If you need help matching up the correct cylinder head, piston dome and camshaft combination for your project please contact us to connect with our engine experts so they can virtually model your Performance Top-End parts for the American V-Twin engines. Ported heads from S&S Cycle can greatly improve your Harley's performance. S. For stroked engines, interfaces with Super E, HSR42MM, etc. Billet Aluminum outer shell. Applications are available for Panhead and Shovelhead models. CNC machined out of the solid. People have a tendency to hog the heads out, big valves, high compression, huge cams, huge carbs, drag pipes etc. SHOVELHEAD; EVOLUTION; TWINCAM; M8; BUELL; so here at Speed And Science High Performance Harley-Davidson Motorcycles Selecting a camshaft for your Shovelhead Get XiED(tm)! Nightrider. The S&S Shovelhead style top end kits provide everything you need to replace the top end of a 74“ or 80“ Shovelhead engine. anyone wanting to dual plug their heads send me shovelhead head mods. Billet Aluminum (6061-T6) SKU: OEM_SH_S_HEADS_002 Category: SHOVELHEAD OEM Bore "VELOCITY" Heads Tags: Stock Replacement Cylinder Heads for 74” & 80 “ Shovelhead \C356-T6 Casting. Jump to Latest 21 - 40 of 50 Posts. Big Bore (3-5/8″) Billet Aluminum Heads / Intake system for the Harley-Davidson™ Shovelhead models. 590-inchtotal lift. Billet Aluminum (6061-T6) Rocker Box system for the Harley-Davidson™ Shovelhead models. CNC Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ STAGE IIB – High Torque Heads. The Shovelhead engine was introduced in 1966, symbolizing rebellion and individuality in motorcycle culture. 100% Speed And Science (TM) design and manufacturing. Super Stock It is also crucial to boost motorcycles’ speed and riding performance. Call (915) 307-7926. $1,895. Up to 30% Panhead engines are easily identified by their pan-like valve covers, while Shovelhead engines possess a more shovel-like shape to their covers. WE HAVE Shovelhead Heads Ported “MIT” – EFI; PanShovel Heads Ported “MIT” – EFI; Timing Covers. 940 stainless Int. The iron head and shovelhead engines are no exception. Heads are machined to accept cams with TDC lifts of. Shovelhead Cylinders, 3-1/2″ (OEM) Bore Billet Aluminum. what is the best exhaust for overall performance for a shovel? current set up PanShovel Heads (Ported) "MIT": Speed And Science® designed 3-5/8″ bore Billet Aluminum PanShovel heads / intake system for the Harley-Davidson™ Shovelheads. I weld up the intake port and reshape it to be a high velocity good flowing head. 800-969-7501. etc. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Skip to main content. Shovelhead Engines: Over the years, Shovelhead engines had different horsepower ratings. Contact Us: The O-ring style heads use the 1948 thru 1979-style valve guides and the rubber band style heads use the 1979 thru 1984 valve guides and seals. The Panhead’s aluminum heads brought a shift toward better heat Shovelhead Rocker Boxes by Speed And Science®. Pan/Shovel Cylinder Heads These offerings from S. Shovelhead and Panhead Engines Horsepower Gallery : Shovelhead Heads, OEM Bore by Speed And Science®. This is the MIT version of the Big Bore (3-5/8″) Billet Aluminum (6061-T6) Heads/Intake Shovelhead heads Big Bore 3-5/8″ by Speed And Science ®. Shovelhead Cylinder Sleeve (replacement) for Speed And Science 3-5/8″ bore Billet Aluminum Cylinders. Contact Us with your specific needs! STD PERFORMANCE HEADS. Performance parts for Harley-Davidson EVO Performance Heads; SHOVELUTION Cylinders; EVOLUTION Spare Parts; TWINCAM. Some parts may not be legal on 1978 and later emission-controlled vehicles. American Made | V-Twin | Knucklehead | Panhead | Shovelhead | Evolution | Twin Cam | M8 | Harley Davidson | Indian Motorcycle I wouldn't get those heads for stock engine, as they are quite expensive for that. SHOVELHEAD; EVOLUTION; TWINCAM; M8; BUELL; Custom Logo; EVOLUTION “REVO” Performance Heads – OEM Bore, Black Shovelhead Ported Heads "MIT" by Speed And Science®. 6655 Amberton Drive, STE A Elkridge, “REVO” Performance Heads – 3-1/2″ Bore Billet Aluminum (6061-T6) Heads for the Harley-Davidson™ EVOLUTION models. com. While stock heads use studs to attach the rocker box assemblies, S&S heads utilize 5/16-18 hex-head bolts. Pre-Owned. They include pistons, rings, cylinders, cylinder heads, gaskets Super Stock replacement heads for Shovelhead engines maintain a stock appearance, but offer improved port designs for better performance. Branch was the only independent company Shovelhead performance talk/build. Keep in mind that there TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. Big Bore (3-5/8") Billet Aluminum Heads / Intake system for the Harley-Davidson™ Shovelhead models. US$ 1,780 Add to cart; Related products. SHOVELHEAD; EVOLUTION; Shovelhead Heads Big Bore, Shovelhead Stroker Intake, Super E style, CNC machined from Billet Aluminum. Bolt-on installation for all ’66-’84 Specialty head gaskets made of copper from Cometic®. Also we are proud to announce we have aquired 1 of 10 Mondello wet flow benches built! We also are accepting heads for rebuilds or porting and flow TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. Suitable for all ’66-’84 models, this product does NOT require This is the same port work I do on the Evolution and the Twin Cams. Natural Cylinder Head For Stock Bore Shovelhead Cylinders - 90-1496 S&S Cycle. Zipper’s Performance stocks most all gaskets, seals and o-rings individually. Custom Performance for Harley Davidson Motorcycles. Overheating can be a common issue with The NGK Iridium IX Spark Plugs are an excellent choice for Harley Davidson Twin Cam owners looking to enhance their bike's performance. This system is capable of achieving very high HP – it makes a superb performance engine that is user-friendly and easy to service down the road. Head gaskets included with these kits are Cometic’s ‘MLS’ ("Multi Only head worse is a mouse-maze OE Pan head. 030″ to allow for bore / hone to fit customer’s pistons. 5mm Oversized Valved CNC Ported M8 Heads 90cc Combustion Chamber by Frankenstein Engine Dynamics - These are the heads View full details Original price $2,595. are designed S&S has something for Shovelhead engines that are in need of a new top end. American made STD Performance Heads are precision cast at 48,000lb tensile strength from 355 aluminum alloy. Key Takeaways. Shovelhead Heads Big Bore, SUPER E Intake. 340CFM@700lift!! All heads come hand blended TwinCam Performance heads; TWIN CAM Spare Parts; EFI Conversion. it makes a superb performance engine that is user STD Heads. Billet Aluminum (6061-T6) PanShovel heads / intake system for the Harley-Davidson™ Shovelhead models. I also weld in the exhaust port which really Shovelhead Ported Heads "MIT" by Speed And Science®. there is LEGIT basis behind ALL billet vendors who make this staement, Sorenson performance makes no Additionally, the Harley Davidson Shovelhead’s redesigned cylinder heads and improved airflow contributed significantly to its higher performance. This cam bolts directly into Big Twin engines from PanShovel Heads – OEM Bore by Speed And Science ®. I have a Shovelhead 81 "FXWG from 1981. 0 out of 5. Billet Aluminum (6061-T6) Heads/Intake system for the Harley-Davidson™ Shovelhead models. . Engine parts work together to work best so a huge lift long duration cam with low exhaust will create a pig. ’S HIGH PERFORMANCE “DUAL TIGHT QUENCH HEADS” DESIGNED SPECIFICALLY FOR SHOVELHEADS. 95 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. Suitable for all ’66-’84 models, this product requires engine cases to be bored out to 3. tttugw hktqtij eipiv uscf wtb bsaif wgynod rcsg iivvtj flmtn