S&S Cycle
S&S Cycle delivers premium performance parts for Harley-Davidson motorcycles, blending racing heritage with American engineering. From exhaust systems and air cleaners to the iconic S&S Super E Carburetor and 475 Cam, every component is designed for power, reliability, and precision. Upgrade your Harley with S&S Cycle for unmatched throttle response and durability, whether on the street or the strip.
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S&S Cycle - 31-4050 - Right Side Crankcase Bearing Race - Standard - Sportster
S&S Cycle
$257.95S&S Cycle - 31-4050 - Right Side Crankcase Bearing Race - Standard - Sportster Features Made in the U.S.A. Replacement Part for OEM Number(s):...$257.95 -
S&S Cycle - 320-0604 - Flywheel Assembly
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 320-0604 - Flywheel AssemblyFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6 large diameter tapered sprocket...MSRP: $1,999.95$1,995.95 -
S&S Cycle - 320-0603 - Flywheel Assembly
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 320-0603 - Flywheel AssemblyFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6 large diameter tapered sprocket...MSRP: $1,999.95$1,995.95 -
S&S Cycle - 320-0601 - Flywheel Assembly
S&S Cycle
$1,995.95S&S Cycle - 320-0601 - Flywheel AssemblyFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6 large diameter tapered sprocket...$1,995.95 -
S&S Cycle - 34-4040 - Race Bearing Set - Big Twin
S&S Cycle
$224.95S&S Cycle - 34-4040 - Race Bearing Set - Big TwinFeaturesUsed to rebuild S&S and stock connecting rodsIncludes hardened steel rod bearing races and bronze wrist pin bushingsRequires finish sizing...$224.95 -
S&S Cycle - 320-0598 - Flywheel Assembly
S&S Cycle
$1,995.95S&S Cycle - 320-0598 - Flywheel AssemblyFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6 large diameter tapered sprocket...$1,995.95 -
S&S Cycle - 320-0477 - Flywheel - Evolution
S&S Cycle
MSRP: $1,876.95$1,595.95S&S Cycle - 320-0477 - Flywheel - EvolutionFeaturesReplacement Flywheel Assemblies for Twin Cam MotorsS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and...MSRP: $1,876.95$1,595.95 -
S&S Cycle - 320-0469 - Flywheel - Twin Cam
S&S Cycle
MSRP: $1,913.95$1,794.95S&S Cycle - 320-0469 - Flywheel - Twin CamFeaturesReplacement Flywheel Assemblies for Twin Cam MotorsS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and...MSRP: $1,913.95$1,794.95 -
S&S Cycle - 320-0360 - Flywheel - Twin Cam
S&S Cycle
MSRP: $1,744.95$1,695.95S&S Cycle - 320-0360 - Flywheel - Twin CamFeaturesReplacement Flywheel Assemblies for Twin Cam MotorsS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and...MSRP: $1,744.95$1,695.95 -
S&S Cycle - 320-0350 - Flywheel - Twin Cam
S&S Cycle
MSRP: $1,795.95$1,695.95S&S Cycle - 320-0350 - Flywheel - Twin CamFeaturesReplacement Flywheel Assemblies for Twin Cam MotorsS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and...MSRP: $1,795.95$1,695.95 -
S&S Cycle - 320-0354 - Flywheel - Twin Cam
S&S Cycle
$1,794.95S&S Cycle - 320-0354 - Flywheel - Twin CamFeaturesReplacement Flywheel Assemblies for Twin Cam MotorsS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and...$1,794.95 -
S&S Cycle - 320-0523 - Flywheel - 4-5/8" - SE120R - Fits 2007-2017 SE 120R motors
S&S Cycle
MSRP: $1,744.95$1,695.95S&S Cycle - 320-0523 - Flywheel - 4-5/8" - SE120RFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,744.95$1,695.95 -
S&S Cycle - 320-0475 - Flywheel - Twin Cam
S&S Cycle
MSRP: $1,759.95$1,695.95S&S Cycle - 320-0475 - Flywheel - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel assemblies...MSRP: $1,759.95$1,695.95 -
S&S Cycle - 320-0459 - Stroker Flywheel Kit - 106" - Twin Cam
S&S Cycle
MSRP: $1,744.95$1,695.95S&S Cycle - 320-0459 - Stroker Flywheel Kit - 106" - Twin CamFeaturesFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" stock motors or...MSRP: $1,744.95$1,695.95 -
S&S Cycle - 320-0464 - Flywheel - Twin Cam
S&S Cycle
MSRP: $1,759.95$1,695.95S&S Cycle - 320-0464 - Flywheel - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel assemblies...MSRP: $1,759.95$1,695.95 -
S&S Cycle - 32-2230 - Flywheel Assembly - Big Twin
S&S Cycle
MSRP: $1,748.95$1,595.95S&S Cycle - 32-2230 - Flywheel Assembly - Big TwinFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6 large diameter tapered...MSRP: $1,748.95$1,595.95 -
S&S Cycle - 320-0351 - Flywheel - Stroker - Twin Cam
S&S Cycle
MSRP: $1,759.95$1,695.95S&S Cycle - 320-0351 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,759.95$1,695.95 -
S&S Cycle - 320-0355 - Flywheel - Stroker - Twin Cam
S&S Cycle
$1,794.95S&S Cycle - 320-0355 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...$1,794.95 -
Out of stock
S&S Cycle - 320-0358 - Flywheel - Stroker - Twin Cam
S&S Cycle
$1,795.95S&S Cycle - 320-0358 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...$1,795.95 -
S&S Cycle - 320-0396 - Flywheel - Stroker - Twin Cam
S&S Cycle
MSRP: $1,795.95$1,794.95S&S Cycle - 320-0396 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,795.95$1,794.95 -
Out of stock
S&S Cycle - 320-0352 - Flywheel - Stroker - Twin Cam
S&S Cycle
MSRP: $1,795.95$1,695.95S&S Cycle - 320-0352 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,795.95$1,695.95 -
Out of stock
S&S Cycle - 320-0450 - Stroker Flywheel Kit - 106" - Twin Cam
S&S Cycle
MSRP: $1,744.95$1,695.95S&S Cycle - 320-0450 - Stroker Flywheel Kit - 106" - Twin CamFeaturesFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" stock motors or...MSRP: $1,744.95$1,695.95 -
Out of stock
S&S Cycle - 320-0397 - Flywheel Assembly - Twin Cam
S&S Cycle
$1,794.95S&S Cycle - 320-0397 - Flywheel Assembly - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...$1,794.95 -
S&S Cycle - 320-0359 - Flywheel Assembly - Twin Cam
S&S Cycle
$1,795.95S&S Cycle - 320-0359 - Flywheel Assembly - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...$1,795.95 -
S&S Cycle - 320-0402 - Flywheel - Stroker - Twin Cam
S&S Cycle
MSRP: $1,744.95$1,695.95S&S Cycle - 320-0402 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,744.95$1,695.95 -
S&S Cycle - 320-0454 - Stroker Flywheel Kit - 106" - Twin Cam
S&S Cycle
$1,794.95S&S Cycle - 320-0454 - Stroker Flywheel Kit - 106" - Twin CamFeaturesFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" stock motors or...$1,794.95 -
S&S Cycle - 320-0460 - Stroker Flywheel Kit - 106" - Twin Cam
S&S Cycle
MSRP: $1,713.95$1,695.95S&S Cycle - 320-0460 - Stroker Flywheel Kit - 106" - Twin CamFeaturesFeature three-piece assembled flywheels with shaftsDo not require any motor case modification4-1/2" stroke103" stock motors or...MSRP: $1,713.95$1,695.95 -
S&S Cycle - 320-0403 - Flywheel Assembly - Twin Cam
S&S Cycle
MSRP: $1,713.95$1,695.95S&S Cycle - 320-0403 - Flywheel Assembly - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,713.95$1,695.95 -
Out of stock
S&S Cycle - 320-0353 - Flywheel Assembly - Twin Cam
S&S Cycle
MSRP: $1,759.95$1,695.95S&S Cycle - 320-0353 - Flywheel Assembly - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,759.95$1,695.95 -
S&S Cycle - 34-2103 - Crankpin - Big Twin
S&S Cycle
$163.95S&S Cycle - 34-2103 - Crankpin - Big TwinFeaturesInclude crankpin, nuts and keyMade in the U.S.A.SpecsMaterialSteelProduct NameCrankpin AssemblyTypeOversizedUnitsEachRiding StyleStreetFitment1983...$163.95 -
S&S Cycle - 310-1326 - Crankcase - MK-Series "B" - Black - M8 Softail
S&S Cycle
$2,849.95S&S Cycle - 310-1326 - Crankcase - MK-Series "B" - Black - M8 SoftailFeaturesStock deck heightLarge volume sumpMachined, close-fitting oil scraper (stock is as cast)A solid foundation for building a...$2,849.95 -
S&S Cycle - 32-2239 - Flywheel Assembly - Big Twin
S&S Cycle
MSRP: $1,599.95$1,595.95S&S Cycle - 32-2239 - Flywheel Assembly - Big TwinFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6 large diameter tapered...MSRP: $1,599.95$1,595.95 -
S&S Cycle - 320-0361 - Flywheel - Stroker - Twin Cam
S&S Cycle
MSRP: $1,713.95$1,695.95S&S Cycle - 320-0361 - Flywheel - Stroker - Twin CamFeaturesS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpinFlywheel...MSRP: $1,713.95$1,695.95 -
S&S Cycle - 33-2004 - Motor Sprocket Shaft Assembly - Big Twin
S&S Cycle
$163.95S&S Cycle - 33-2004 - Motor Sprocket Shaft Assembly - Big TwinFeaturesIncludes tapered shaft, nut and keysFor use with standard diameter bearingMade in the U.S.A.SpecsUnitsEachProduct NameSprocket...$163.95 -
S&S Cycle - 33-2027 - Pinion Shaft - Big Twin
S&S Cycle
$183.95S&S Cycle - 33-2027 - Pinion Shaft - Big TwinFeaturesFor use with standard bearing diameterMade in the U.S.A.SpecsMaterialSteelRiding StyleStreetProduct NamePinion Shaft AssemblyUnitsEachFitment1983...$183.95 -
S&S Cycle - 34-2602 - Crankpin - XL
S&S Cycle
$189.95S&S Cycle - 34-2602 - Crankpin - XLFeaturesInclude crankpin, nuts and keyMade in the U.S.A.SpecsProduct NameCrankshaft AssemblyTypeStandardUnitsEachMaterialSteelRiding StyleStreetFitment1996-1999...$189.95 -
S&S Cycle - 34-2102 - Crankpin - Big Twin
S&S Cycle
$163.95S&S Cycle - 34-2102 - Crankpin - Big TwinFeaturesInclude crankpin, nuts and keyMade in the U.S.A.SpecsProduct NameCrankpin AssemblyTypeStandardRiding StyleStreetMaterialSteelUnitsEachFitment1983...$163.95 -
S&S Cycle - 310-1170 - Engine Case - MK-Series - Performance Replacement - M8 Touring
S&S Cycle
$2,499.95S&S Cycle - 310-1170 - Engine Case - MK-Series - Performance Replacement - M8 TouringFeaturesStock deck heightLarge volume sumpFits stock touring frameDesigned to accept larger boresAccepts all OEM...$2,499.95 -
S&S Cycle - 31-0047 - Engine Case - +4.000" Bore - Special Application - Evolution Big Twin
S&S Cycle
$1,995.95S&S Cycle - 31-0047 - Engine Case - +4.000" Bore - Special Application - Evolution Big TwinFeaturesDesigned for high performance engines with cylinder bores 4.000\Cam chest is moved outward 0.250" to...$1,995.95 -
Out of stock
S&S Cycle - 106-0433 - Piston Kit - For 103" Hot Set Up Kit® - 3.875" - +0.005"
S&S Cycle
$481.95S&S Cycle - 106-0433 - Piston Kit - For 103" Hot Set Up Kit® - 3.875" - +0.005"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor...$481.95
S&S Cycle – High-Performance Harley-Davidson Engines, Exhausts & Motorcycle Parts
S&S Cycle has been a powerhouse in Harley-Davidson performance engineering since 1958, known for building some of the most reliable and powerful V-Twin engines in the world. From the iconic S&S Super E Carburetor to the Grand National Exhaust and Stealth Air Cleaner Kits, every part embodies decades of racing experience and precision craftsmanship, helping riders unlock true American horsepower.
Whether you’re upgrading with S&S camshafts, big bore kits, lifters, oil pumps, or pushrods, each component is designed for maximum performance, durability and throttle response. Riders trust S&S Cycle exhausts and engine upgrade kits for their proven power gains, crisp acceleration and unmistakable exhaust note, perfect for Harley enthusiasts who want both street and track-ready performance.
S&S Cycle also offers advanced intake, ignition and lubrication systems, giving riders the tools to fine tune every aspect of their Harley-Davidson. With a legacy rooted in racing innovation and American craftsmanship, S&S Cycle performance parts deliver the perfect balance of power, reliability and engineering excellence, making it the top choice for those who live and breathe V-Twin performance.