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S&S Cycles

Since its establishment in 1958, S&S Cycles has been synonymous with premium high-performance solutions for Harley Davidson and other v-twin motorcycles. Renowned as the most respected name in the v-twin high-performance aftermarket, S&S Cycles proudly offers an American-made product line that encompasses engine components, exhaust systems, fuel systems, engine upgrade kits, and complete engines.

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What S&S Cycle Makes

S&S builds the hard parts of a v-twin performance build - complete crate engines, big bore and stroker kits, cylinders, pistons, heads, cams and cam chest kits, lifters and pushrods, along with carburetors, throttle bodies and intake manifolds, air cleaners, and exhaust systems and mufflers. What we list from S&S Cycles moves as the catalog moves.

Fitment

S&S Cycle fitment is specified part by part, and coverage is not uniform across platforms or model years. Check that the fitment list on the product page names your model and year before ordering.

Engine Parts Go By Cam Chest, Not By Model

This is the one that catches people out. Two bikes of the same year wearing the same badge can take completely different cams, plates, tensioners and oil pumps, because what matters is which engine generation is in the frame. Read the fitment list on the product page against your own motor rather than going by the model name.

Related

Engines & Internal Components · Exhaust Systems · Air Cleaners · Tuners & Fuel Systems

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110 products

S&S CYCLES-MK136 Black Edition M8 Engine / M8 Bagger-Engine-MetalCore Harley SupplyS&S CYCLES-MK136 Black Edition M8 Engine / M8 Bagger-Engine-MetalCore Harley Supply
S&S CYCLES-T143 Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T143 Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES-T111 Long Block Twin Cam Engine / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T111 Long Block Twin Cam Engine / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES-V111 Long Block / '84-'99 Evo Big Twin-Engine-MetalCore Harley Supply
S&S CYCLES-T124 High Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T124 High Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES-T124 Low Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley SupplyS&S CYCLES-T124 Low Compression Long Block Twin Cam Engines / '99-'17 Big Twins-Engine-MetalCore Harley Supply
S&S CYCLES - 124" Hot Set Up® Engine Performance Kits / '99 - '17 Twin Cams - Big Bore Kits - MetalCore Harley SupplyS&S CYCLES - 124" Hot Set Up® Engine Performance Kits / '99 - '17 Twin Cams - Big Bore Kits - MetalCore Harley Supply
S&S CYCLES-V80 Long Block / '84-'99 Evo Big Twin-Engine-MetalCore Harley Supply
S&S CYCLES-100" / 110" Power Package Engine Performance Kits / '99-17 Twin Cams-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-100" / 110" Power Package Engine Performance Kits / '99-17 Twin Cams-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-129" Power Package Engine Performance Kits / '17-'23 107" M8 Oil Cooled Motors-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-129" Power Package Engine Performance Kits / '17-'23 107" M8 Oil Cooled Motors-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-MK-Series Engine Case - M8 Bagger-Engine Cases-MetalCore Harley Supply
S&S CYCLES-Dyna Engine Cases / '06-'17 Dyna-Engine Cases-MetalCore Harley SupplyS&S CYCLES-Dyna Engine Cases / '06-'17 Dyna-Engine Cases-MetalCore Harley Supply
S&S CYCLES
Dyna Engine Cases / '06-'17 Dyna Sale priceFrom $1,975.95 USD
S&S CYCLES-106" Hot Set Up® Engine Performance Kit / '07-'17 Twin Cam-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-Super Stock Engine Cases / '92-'99 Evo Big Twin-Engine Cases-MetalCore Harley Supply
S&S CYCLES-Gear & Chain Drive Cam Chest Kits / '99-'17 Twin Cams-Camchest Kits-MetalCore Harley SupplyS&S CYCLES-Gear & Chain Drive Cam Chest Kits / '99-'17 Twin Cams-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-Hooligan Engine Performance Kits / '00-'22 Sportster-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-Hooligan Engine Performance Kits / '00-'22 Sportster-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-El Dorado Dual Exhaust Systems / '09-'22 Bagger-Exhaust - Dual-MetalCore Harley SupplyS&S CYCLES-El Dorado Dual Exhaust Systems / '09-'22 Bagger-Exhaust - Dual-MetalCore Harley Supply
S&S CYCLES-Super Stock Heads / '84-'99 Evo Big Twin-Heads-MetalCore Harley Supply
S&S CYCLES-106" Stroker Flywheel Kits / '99-'16 Twin Cam-Flywheels-MetalCore Harley SupplyS&S CYCLES-106" Stroker Flywheel Kits / '99-'16 Twin Cam-Flywheels-MetalCore Harley Supply
S&S CYCLES-124" Cylinder and Piston Kits / '07-'17 Twin Cams-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-Replacement Flywheel Assemblys / '99-'17 Twin Cams-Flywheels-MetalCore Harley SupplyS&S CYCLES-Replacement Flywheel Assemblys / '99-'17 Twin Cams-Flywheels-MetalCore Harley Supply
S&S CYCLES-Bolt-In Sidewinder® 4" Big Bore Kits / '99-'17 Twin Cams-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-Bolt-In Sidewinder® 4" Big Bore Kits / '99-'17 Twin Cams-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-Cam Chest Kits without Cams / Twin Cam Motors-Camchest Kits-MetalCore Harley SupplyS&S CYCLES-Cam Chest Kits without Cams / Twin Cam Motors-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-96" Big Bore Kit / '84-'99 Evo Big Twin-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-2-into-1 Qualifier Exhaust System / M8 Touring-Exhaust - 2 into 1-MetalCore Harley SupplyS&S CYCLES-2-into-1 Qualifier Exhaust System / M8 Touring-Exhaust - 2 into 1-MetalCore Harley Supply
Sold outS&S CYCLES-2 into 1 Lava Chrome Sidewinder Exhaust / '17 - '23 Bagger-Exhaust - 2 into 1-MetalCore Harley SupplyS&S CYCLES-2 into 1 Lava Chrome Sidewinder Exhaust / '17 - '23 Bagger-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES-132" Big Bore Cylinder Kits / '17-'23 114"-117" M8-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-132" Big Bore Cylinder Kits / '17-'23 114"-117" M8-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES-Cam Chest Kits / '17-'23 M8 Motors-Camchest Kits-MetalCore Harley SupplyS&S CYCLES-Cam Chest Kits / '17-'23 M8 Motors-Camchest Kits-MetalCore Harley Supply
S&S CYCLES
Cam Chest Kits / '17-'23 M8 Motors Sale priceFrom $1,280.57 USD
S&S CYCLES-Cam Chest Kit without Cams / M8 Motors-Camchest Kits-MetalCore Harley SupplyS&S CYCLES-Cam Chest Kit without Cams / M8 Motors-Camchest Kits-MetalCore Harley Supply
Sold outS&S CYCLES-2-into-1 Superstreet Brushed Stainless Exhaust System / M8 Softails-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES-2-into-1 Qualifier Exhaust Systems / M8 Softail-Exhaust - 2 into 1-MetalCore Harley SupplyS&S CYCLES-2-into-1 Qualifier Exhaust Systems / M8 Softail-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES-Diamondback 2-into-1 Exhaust Systems / '17-'23 M8 Motors-Exhaust - 2 into 1-MetalCore Harley SupplyS&S CYCLES-Diamondback 2-into-1 Exhaust Systems / '17-'23 M8 Motors-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES-SuperStreet 2:1 Exhaust Systems / '18-'22 M8 Softails-Exhaust - 2 into 1-MetalCore Harley SupplyS&S CYCLES-SuperStreet 2:1 Exhaust Systems / '18-'22 M8 Softails-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES-SuperStreet 2:1 50 State Exhaust System / '07-'22 Sportster-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES-2-into-1 Qualifier Exhaust Systems / '06-'17 Dyna-Exhaust - 2 into 1-MetalCore Harley SupplyS&S CYCLES-2-into-1 Qualifier Exhaust Systems / '06-'17 Dyna-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES - 1200cc Conversion Kit for XL883 / '86 - '22 Sportsters - Big Bore Kits - MetalCore Harley SupplyS&S CYCLES - 1200cc Conversion Kit for XL883 / '86 - '22 Sportsters - Big Bore Kits - MetalCore Harley Supply
S&S CYCLES-1250cc Conversion Kits / '86-'22 Sportster-Big Bore Kit-MetalCore Harley SupplyS&S CYCLES-1250cc Conversion Kits / '86-'22 Sportster-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES - 4.5" MK45 Performance Slip on Mufflers / '17 - '24 Bagger - Exhaust - Slip Ons - MetalCore Harley SupplyS&S CYCLES - 4.5" MK45 Performance Slip on Mufflers / '17 - '24 Bagger - Exhaust - Slip Ons - MetalCore Harley Supply
S&S CYCLES-Rocker Arm Guardian Kit / M8-Rocker Arms-MetalCore Harley Supply
S&S CYCLES - Cam Support Plate and Oil Pump Kit - W/ water-cooled engines - Cam Plate / Oil Pump - MetalCore Harley SupplyS&S CYCLES - Cam Support Plate and Oil Pump Kit - W/ water-cooled engines - view 2 - MetalCore Harley Supply
S&S CYCLES - TC3 Oil Pump and Cam Support Plate Kit / '99 - '17 Twin Cam - Cam Plate / Oil Pump - MetalCore Harley SupplyS&S CYCLES - TC3 Oil Pump and Cam Support Plate Kit / '99 - '17 Twin Cam - Cam Plate / Oil Pump - MetalCore Harley Supply
S&S CYCLES-4.5" MK45 Slip-On Performance Mufflers / '99-'23 Bagger-Exhaust - Slip Ons-MetalCore Harley SupplyS&S CYCLES-4.5" MK45 Slip-On Performance Mufflers / '99-'23 Bagger-Exhaust - Slip Ons-MetalCore Harley Supply
S&S CYCLES-Billet Oil Pump / '92-'99 Evo Big Twin-Oil Pump-MetalCore Harley Supply
S&S CYCLES-Long-Block Installation Kit-Oil Pan-MetalCore Harley Supply
S&S CYCLES-Roller Rocker Arms / M8-Rocker Arms-MetalCore Harley Supply
S&S CYCLES
Roller Rocker Arms / M8 Sale price$606.95 USD
S&S CYCLES-Forged Roller Rockers / '84-'17-Rocker Arms-MetalCore Harley Supply
S&S CYCLES-475 Camshaft Kit with Dynojet PV-3 / '17-'19 M8 Motors-Camchest Kits-MetalCore Harley SupplyS&S CYCLES-475 Camshaft Kit with Dynojet PV-3 / '17-'19 M8 Motors-Camchest Kits-MetalCore Harley Supply
S&S CYCLES-GNX 4.5" Slip-On Mufflers / '17-'22 Bagger-Exhaust - Slip Ons-MetalCore Harley SupplyS&S CYCLES-GNX 4.5" Slip-On Mufflers / '17-'22 Bagger-Exhaust - Slip Ons-MetalCore Harley Supply
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