Availability
Summit Bucks
Summit Racing™ SPC Engine Blocks are aftermarket V8 Engine Blocks made for "Street, Performance, or Competition." These brand new clean sheet designed aftermarket blocks are cast in a modern state-of-the-art German foundry on brand new molds and machined in USA on modern high-speed machining centers that can hold the tightest of tolerances. Why start your engine build with a dirty, old, worn-out production block that needs hundreds or thousands of dollars of machine work--when you can start with a new heavy-duty casting full of high-performance features. We ship these blocks mostly finished but leave the cylinder bore .005" undersize, your machine shop will have to hone them for proper size. You can rest assured that you have a great foundation for your engine build. Check out the features below! Additional details: • Available Versions Include: GM Small Block, GM LS, GM Big Block (coming Soon,) Ford Windsor 5.0 and 351W • Cast in Germany at a Tier 1 OEM foundry • Made with class 35 Iron Alloy, Higher tensile strength and harder than competitors' class 30 • Machine-finished in USA on precision hi-speed machining centers- All dimensions are very accurate! • Priority main oiling systems & Siamese Cylinder bores • Blind head bolt holes • 4-bolt main caps, 180,00 PSI main bolts included
( 11 )
$2,249.99
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$2,299.99
Summit Bucks
S&S Cycle 110 in. Power Packages are the ideal combination of performance and savings to transform your Twin Cam HD without breaking the bank. Bump the early Twin Cam from late 96ci or 103ci to 110ci, as well as add matched cams/cam plate/oil pump and everything else a high performance cam chest needs to reliably make big power. Features: * 4 in. bore bolt on cylinder and piston kit * 10.5:1 compression * Wrinkle black finish * S&S 585 Easy Start cams in either gear or chain version * TC3 oil pump * TC3 cam plate * S&S cam chain tensioners or outer cam drive gears * Quickee adjustable pushrods with tubes * S&S precision tappets * Low-friction ductile cast iron liner * Bolts in with no machining, balancing, or splitting the crankcases * Cylinders fit to pistons--no machining required * All parts required to upgrade to gear drive cam or hydraulic tensioners in one easy to order part number
Not Yet Reviewed
$2,992.95
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$3,121.16
Summit Bucks
S&S Cycle offers 128 in. power packages with gear drive cam for a variety of Harley-Davidson© street bikes from 2017 and up. Kit details include: BIG BORE KIT: * 4.250 in. bore * Forged pistons * 11.1:1 compression ratio OIL PUMP/CAM PLATE: * Precision-machined from billet aluminum * Passage plugs removable for servicing * Independent scavenge sections for flywheel cavity and cam chest * Debris screens in both scavenge pickups * Magnet in cam chest to help stop debris from entering oil pump * Increased flow capacity on both feed and scavenge side * Pressure relief valve is adjustable with unit installed in engine * Kits now include updated oil pump with groove for optional OEM oil seal PUSHRODS: * Quickee pushrods with chrome covers TAPPETS: * Hand-assembled to exacting tolerances * Reduced valvetrain noise from start-up to shut-down * Close tolerances for low leak-down rates * Fast pump-up and superior high-RPM performance TAPPET CUFFS: * Hard anodized black coating * Billet aluminum construction * Stronger than stock material eliminates distortion * Improve tappet stability in high lift and high RPM situations CAM: * S&S 550 cam—designed for big bore applications * Gear drive kits provide improved cam timing accuracy and eliminate stock chain tensioner * Gear drive kits include outer drive gears VALVE SPRINGS: * Work well with cams up to .605 lift * High performance conical single-wire spring * Includes top collars, keepers, and valve seals/bottom collars
Not Yet Reviewed
$3,427.95
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$3,460.95
Summit Bucks
S&S Cycle offers 129 in. power packages with gear drive cam for a variety of Harley-Davidson© street bikes from 2017 and up. These packages are the ideal combination of performance and savings designed to transform your engine from mild to wild. They combine S&S's biggest big bore cylinders with matched 550 cam/cam-plate/oil pump and everything else a high performance cam chest needs to make big, reliable horsepower. Transform your 107 in. into a 129 in. monster. Additional details: * Available with 129 in. Big Bore pistons/cylinders * 550 lift cam for the perfect combination of horsepower and torque * Works with stock crankcases * Powdercoat finish matched to factory * MLS (multi-layered steel) head gaskets * Includes tappets, tappet cuffs, and high lift springs * Includes 129 cam cover badge
Not Yet Reviewed
$3,559.95
Summit Bucks
S&S Cycle offers 129 in. power packages with chain drive cam for a variety of Harley-Davidson© street bikes from 2017 and up. These packages are the ideal combination of performance and savings designed to transform your engine from mild to wild. They combine S&S's biggest big bore cylinders with matched 550 cam/cam-plate/oil pump and everything else a high performance cam chest needs to make big, reliable horsepower. Transform your 107 in. into a 129 in. monster. Additional details: * Available with 129 in. Big Bore pistons/cylinders * 550 lift cam for the perfect combination of horsepower and torque * Works with stock crankcases * Powdercoat finish matched to factory * MLS (multi-layered steel) head gaskets * Includes tappets, tappet cuffs, and high lift springs * Includes 129 cam cover badge
Not Yet Reviewed
$3,359.95
Summit Bucks
S&S Cycle Late Twin Cam Easy Start chain drive cam chest upgrade kits contain everything needed to replace it all! Your engine will receive increased performance from the higher lifts, optimized camshaft timing, and from more consistent oil flow and pressure. Kits can be installed without the removal of your rocker box covers. Easy Start kits allow the stock starter to start any engine regardless of compression ratio! Order the kit recommended for your particular Harley-Davidson© street bike. Kit components include: * Forged cam plate * Forged 3-stage oil pump * Premium lifters * Hydraulic chain tensioners * Quickee pushrods * Pushrod tubes * Easy Atart chain drive camshafts * Inner camshaft bearings * All necessary gaskets, O-rings, and hardware
Not Yet Reviewed
$2,529.95
Summit Bucks
S&S Cycle offers 128 in. power packages with chain drive cam for a variety of Harley-Davidson© street bikes from 2017 and up. Kit details include: BIG BORE KIT: * 4.250 in. bore * Forged pistons * 11.1:1 compression ratio OIL PUMP/CAM PLATE: * Precision-machined from billet aluminum * Passage plugs removable for servicing * Independent scavenge sections for flywheel cavity and cam chest * Debris screens in both scavenge pickups * Magnet in cam chest to help stop debris from entering oil pump * Increased flow capacity on both feed and scavenge side * Pressure relief valve is adjustable with unit installed in engine * Kits now include updated oil pump with groove for optional OEM oil seal PUSHRODS: * Quickee pushrods with chrome covers TAPPETS: * Hand-assembled to exacting tolerances * Reduced valvetrain noise from start-up to shut-down * Close tolerances for low leak-down rates * Fast pump-up and superior high-RPM performance TAPPET CUFFS: * Hard anodized black coating * Billet aluminum construction * Stronger than stock material eliminates distortion * Improve tappet stability in high lift and high RPM situations CAM: * S&S 550 cam—designed for big bore applications * Available in both chain drive and gear drive variations VALVE SPRINGS: * Work well with cams up to .605 lift * High performance conical single-wire spring * Includes top collars, keepers, and valve seals/bottom collars CAM CHAIN TENSIONER: * Precision-machined from billet aluminum * Thicker shoe for longer wear * Direct chain oiling * Larger piston for more consistent pressure * Tighter tolerances improve stability
Not Yet Reviewed
$3,265.95
Summit Bucks
S&S Cycle offers MK-Series Performance crankcases for a variety of Harley-Davidson Touring and Softail street bikes from 2017 and up. These assembly replacements enable you to build massive power easily and reliably, particularly with M8 engines, and stock cases can't provide the necessary quality base. MK-Series crankcases are designed to allow for larger bores, scrape more oil than stock, have a larger volume sump, and fit in a stock frame without modification. Order the model recommended for your application.
Not Yet Reviewed
$2,499.95
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$2,849.95
Summit Bucks
R&M Specialties Quick Release valve covers are designed specifically for Big Block Chevy engines. Their patented, innovative high-tech design gives you a true quick-release removable top. With strong cam locking billet machined hinges, a heat resistant O-Ring insures a positive seal. No more time consuming bolts or stripped threads! Features include: * Quality cast aluminum construction * Custom machined to specifications * Strong cam locking billet machined aluminum hinges to allow ample clearance for all rocker arms and stud girdles * Heat resistant o-ring to insure a positive seal * Hand polished to a mirror finish
Not Yet Reviewed
$2,529.99
Summit Bucks
The Twin Cam 88A crankcases from S&S Cycle provide a stronger, more reliable, and more durable foundation for the engine, particularly in high-performance applications, addressing weaknesses in the previous Evolution engine. The Twin Cam 88A is intended to replace crankcases in HD® Twin Cam 88 engines in existing HD® chassis only. S&S stock style crankcases have a rear motor mount that bolts directly to the stock 1999-2006 transmission for all models except 2006 HD® Dyna. Known for their strength and durability, these crankcases are compatible with the stock primary, charging system, and other stock components. Stock bore cases are perfect for replacement applications, 4 in. bore cases are a natural for use with the S&S Super Sidewinder Hot Set Up kits, and 4 1/8 in. bore cases make really large displacement custom engines possible and are available with the S&S cylinder stud pattern or with the stock cylinder stud pattern. The 4 1/8 in. bore cases with stock stud pattern are ideal for the S&S 124 in. Hot Set Up Kit for stock crankcases. Select the Twin Cam 88A crankcase designed specifically for your HD® bike model.
Not Yet Reviewed
$2,152.95
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$2,182.95
Summit Bucks
S&S Cycle 95 in. Super Stock Hot Set-Up Kits are true bolt-on kits. There is no machining required, they maintain stock engine height, and enable up to a 40 hp increase. Components and specs: * .045 in. MLS head gaskets * S&S 585 gear drive cams * S&S high-strength chromoly tubing pushrods * Enlarged valve pocket recesses in S&S pistons accommodate oversize valves and high-lift cams * S&S 3 7/8 in. bore cylinders and pistons * 79cc cylinder heads * Machined wrinkle black powdercoat finish
Not Yet Reviewed
$3,627.86
Summit Bucks
S&S Cycle 100 in. power packages are the ideal combination of performance and savings to transform your Harley® without breaking the bank. Bump that early Twin Cam from 88 cu. in. to 100 cu. in., while adding matched cams/cam plate/oil pump and everything else needed to reliably make big power. Optimize the performance of your bike by using one of these economical 100 cu. in. power packages from S&S Cycle. Features, benefits, and specifications: * Upgrade TC88 to 100 cu. in. * Engineered package to deliver the best bolt in performance * 4 in. bore bolt-on cylinder and piston kit * Wrinkle black finish * 585 Easy Start chain drive cams * TC3 oil pump and cam plate * Cam chain tensioners * Quickee adjustable pushrods with tubes * Precision tappets
Not Yet Reviewed
$3,011.36
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$3,121.16
Summit Bucks
S&S Cycle early Twin Cam gear drive cam chest replacement kits are designed to upgrade your early 1999-2006 Twin Cam to 2007-16 style camshafts and oil pump. Your engine will receive increased performance from the higher lifts, optimized camshaft timing, and from more consistent oil flow and pressure. By eliminating the chains, gear drive camshafts keep the valve events at precise timing and free up parasitic loss. Order the kit recommended for your specific Harley-Davidson© street bike. Kit components include: * Forged cam plate * Forged 3-stage oil pump * Inner and outer gear * Premium lifters * Quickee pushrods * Pushrod tubes * Available with or without gear drive camshafts * Inner camshaft bearings * All necessary gaskets, O-rings, and hardware
Not Yet Reviewed
$2,010.56
Summit Bucks
S&S Cycle early Twin Cam Easy Start gear drive cam chest replacement kits are designed to upgrade your 1999-2006 Twin Cam to 2007-16 style camshafts and oil pump. Your engine will receive increased performance from the higher lifts, optimized camshaft timing, and from more consistent oil flow and pressure. By eliminating the chains, gear drive camshafts keep the valve events at precise timing, and free up parasitic loss. Kits can be installed without the removal of your rocker box covers--and allow the stock starter to start any engine regardless of compression ratio. Order the kit recommended for your Harley-Davidson© street bike. * Forged cam plate * Forged 3-stage oil pump * Inner and outer gear * Premium lifters * Quickee pushrods * Pushrod tubes * Easy start gear drive camshafts * Inner camshaft bearings * All necessary gaskets, O-rings, and hardware
Not Yet Reviewed
$2,121.26
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$2,474.96
Summit Bucks
S&S Cycle offers 132 in. power packages with chain drive cam for a variety of Harley-Davidson© street bikes from 2017 and up. These packages are the ideal combination of performance and savings designed to transform your engine from mild to wild. They combine S&S's biggest big bore cylinders with matched 550 cam/cam-plate/oil pump and everything else a high performance cam chest needs to make big, reliable horsepower. Additional details: * Available with 132 in. Big Bore pistons/cylinders * 550 lift cam for the perfect combination of horsepower and torque * Works with stock crankcases * Powdercoat finish matched to factory * MLS (multi-layered steel) head gaskets * Includes tappets, tappet cuffs, and high lift springs * Includes 132 cam cover badge * 132 Power Pack: Stock heads, 550 cam, stealth AC, stock throttle body, S&S manifold, power tune duals, MK45 muffler * Recommended for closed course competition racing
Not Yet Reviewed
$3,359.95
Summit Bucks
S&S Cycle's 132 in. power packages with gear drive cam are a high performance upgrade for an HD® motorcycle. They significantly increase the displacement of the engine to 132 cubic inches, while utilizing a gear-driven camshaft system. This provides benefits like increased horsepower and torque, improved reliability due to the robust gear drive, smoother power delivery, and a more aggressive engine character compared to a stock setup; all while maintaining compatibility with the existing engine case and allowing for a relatively easy installation process. Many power packages allow for selecting cams with different valve timing profiles to tailor the power characteristics to individual riding preferences. These kits are designed to work with existing engine components, often requiring minimal modifications to install, making them a popular choice for engine upgrades. Order the S&S Cycle kit designed specifically for your HD® model and engine to ensure proper fitment.
Not Yet Reviewed
$3,559.95
Summit Bucks
S&S Cycle offers late Twin Cam gear drive cam chest upgrade kits for a variety of Harley-Davidson© street bikes from 2006 and up. The kits can be installed without the removal of your rocker box covers! Your engine will receive increased performance from the higher lifts, optimized camshaft timing, and from more consistent oil flow and pressure. By eliminating the chains, gear drive camshafts keep the valve events at precise timing, and free up parasitic loss. Kit components include: * Forged cam plate * Forged 3-stage oil pump * Inner and outer gear * Premium lifters * Quickee pushrods * Pushrod tubes * Available with or without gear drive camshafts * Inner camshaft bearings * All necessary gaskets, O-rings, and hardware
Not Yet Reviewed
$2,010.56
Summit Bucks
S&S Cycle Late Twin Cam Easy Start Gear Drive Cam Chest Upgrade Kits can be installed without the removal of your rocker box covers! Your engine will receive increased performance from the higher lifts, optimized camshaft timing, and from more consistent oil flow and pressure. By eliminating the chains, gear drive camshafts keep the valve events at precise timing and free up parasitic loss. Easy Start kits allow the stock starter to start any engine, regardless of compression ratio. Order the model recommended for your Harley-Davidson® application. Kits include: * Forged cam plate * Forged 3-stage oil pump * Inner and outer gear * Premium lifters * Quickee pushrods * Pushrod tubes * Easy Start gear drive camshafts * Inner camshaft bearings * All necessary gaskets, O-rings, and hardware
Not Yet Reviewed
$2,121.26
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$2,362.46
Summit Bucks
S&S Cycle early Twin Cam Easy Start chain drive cam chest replacement kits are designed to upgrade your early 1999-2006 Twin Cam to 2007-16 style camshafts and oil pump. Your engine will receive increased performance from the higher lifts, optimized camshaft timing, and from more consistent oil flow and pressure. Kits can be installed without the removal of your rocker box covers. Easy Start kits allow the stock starter to start any engine, regardless of compression ratio. Order the model recommended for your Harley-Davidson® street bike. Kit components include: * Forged cam plate * Forged 3-stage oil pump * Premium lifters * Hydraulic chain tensioners * Inner and outer camshaft bearings * Quickee pushrods * Pushrod tubes * Easy Start chain drive camshafts * All necessary gaskets, O-rings, and hardware
Not Yet Reviewed
$2,158.16
Summit Bucks
S&S Cycle 124 in. power packages with gear drive cam are the ideal combination of performance and savings to transform a Harley-Davidson® motorcycle without breaking the bank. Each kit is tailored with the necessary components for your specific HD® model. These kits offer significant benefits, including a substantial increase in horsepower and torque across the powerband, improved throttle response, better cam timing accuracy due to the gear drive mechanism, and a more reliable valve train compared to a standard chain-driven cam, making it ideal for riders seeking a powerful and responsive engine upgrade, especially on larger displacement bikes like the Milwaukee-Eight models. Installing a 124 in. power package often necessitates additional tuning adjustments, including adjusting fuel delivery and ignition timing to optimize performance. Select the power package with gear drive cam designed specifically for your HD® model and engine to ensure proper fitment.
Not Yet Reviewed
$3,460.95
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$3,695.95
Summit Bucks
The S&S Cycle 124 in. power packages with chain drive cam are the ideal combination of performance and savings to transform a Harley-Davidson® motorcycle without breaking the bank. Each kit is tailored with the necessary components for your specific HD® model. These kits offer significant benefits in terms of increased horsepower and torque, particularly noticeable in the mid-range and top-end of the rpm band, making for a more powerful and responsive riding experience, especially when paired with other performance upgrades like ported heads and high-flow exhaust systems. Many power packages allow for customization by choosing different cam profiles to tailor the power delivery to your riding style, whether you prioritize low-end torque or high-end horsepower. Most 124 in. power packages are designed as "bolt-on" kits, meaning they can be installed without requiring extensive engine machining, making the upgrade process relatively simple. Select the 124 in. power package kit with chain drive cam designed for your application.
Not Yet Reviewed
$3,265.95
Summit Bucks
S&S Cycle Super Stock T2 crankcases are stock looking, but stronger with thicker wall sections, superior 356 T-6 aircraft grade aluminum, and a tough powdercoat finish. Available in different bore sizes, as well as stock, each kit will include an S&S crankcase, bearings, hardware, and instructions. Select the one designed for your Big Twin engine. Additional features and notes: * Reinforced front motor mount for extra strength * Timken sprocket shaft bearing is strong enough for the most demanding applications * Clearanced for strokes up to 4 13/16 in. and cams up to .720 in. lift * Includes pinion and Timken bearing * Manufacturer's Statement of Origin (MSO) included * Studs and cam bearings installed * Stock bore and 4 1/8 in. bore cases come with dual piston cooling jets
Not Yet Reviewed
$2,199.95
Summit Bucks
S&S Cycle Milwaukee 8 gear drive cam chest kits include everything necessary to convert to gear drive for improved cam timing accuracy and eliminate the stock cam chain tensioner. All parts in each kit are matched to ensure superior quality, fit, finish and performance. Each kit includes necessary gaskets, components, and hardware required for a complete installation. S&S gear drive kits are available for water-cooled and oil-cooled motorcycle models. Select the kit designed for your bike. Features of Milwaukee 8 gear drive cam chest kits: * Oil pump and cam plate are precision-machined from billet aluminum with a blue anodized finish * Passage plugs are removable for servicing * Independent scavenge sections for the flywheel cavity and cam chest * Debris screens in both scavenge pickups * Magnet in cam helps stop debris from entering oil pump * Increased oil flow capacity on both the feed and scavenge sides * Adjustable pressure relief valve is adjustable with the unit installed in the engine * S&S Quickee Pushrods with chrome or gloss black pushrod tubes * S&S premium tappets—hand assembled to exacting tolerances; reduced valve train noise from start up to shut down * Billet aluminum tappet cuffs have a hard-anodized black coating and are stronger than stock to eliminate distortion and improve tappet stability in high-lift situations * Outer drive gears included * 465 Torque cam kits are the ideal choice for Touring bike applications * 475 kits are bolt-in cams that can produce up to 100 horsepower * 540 kits are designed to add even more stump pulling torque to your big bore M8, for those that keep the revs below 6,000 rpm—requires the addition of valve springs (included in high lift kits) and works with cams up to .605 lift * 550 kits are for use with large displacement engines—requires the addition of valve springs (included in high lift kits) and works with cams up to .605 lift
Not Yet Reviewed
$2,131.95
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$2,172.95
Summit Bucks
Tap into the power of your Milwaukee 8 engine by installing an S&S Cycle camshaft. These kits will increase the torque and horsepower of your bike. They include all required gaskets, O-rings, bearings, and hardware. Order the model recommended for your Harley-Davidson® application.
Not Yet Reviewed
$2,193.95
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