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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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108 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
MK136 Black Edition M8 Engine / M8 Bagger Sale price$10,799.95 USD
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
T143 Long Block Twin Cam Engines / '99-'17 Big Twins Sale price$9,535.95 USD
Sold outS&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
T111 Long Block Twin Cam Engine / '99-'17 Big Twins Sale priceFrom $7,465.95 USD
Sold outS&S CYCLES-V111 Long Block / '84-'99 Evo Big Twin-Engine-MetalCore Harley Supply
S&S CYCLES
V111 Long Block / '84-'99 Evo Big Twin Sale price$7,199.95 USD
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 High Compression Long Block Twin Cam Engines / '99-'17 Big Twins Sale priceFrom $6,965.96 USD
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
T124 Low Compression Long Block Twin Cam Engines / '99-'17 Big Twins Sale priceFrom $6,965.96 USD
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
124" Hot Set Up Engine Performance Kits / '99-'17 Twin Cams Sale price$6,393.95 USD
S&S CYCLES-V80 Long Block / '84-'99 Evo Big Twin-Engine-MetalCore Harley Supply
S&S CYCLES
V80 Long Block / '84-'99 Evo Big Twin Sale price$6,389.95 USD
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
100" / 110" Power Package Engine Performance Kits / '99-17 Twin Cams Sale price$3,056.95 USD
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
129" Power Package Engine Performance Kits / '17-'23 107" M8 Oil Cooled Motors Sale priceFrom $2,721.56 USD
S&S CYCLES-MK-Series Engine Case - M8 Bagger-Engine Cases-MetalCore Harley Supply
S&S CYCLES
MK-Series Engine Case - M8 Bagger Sale price$2,249.95 USD
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
106" Hot Set Up Engine Performance Kit / '07-'17 Twin Cam Sale price$1,928.95 USD
S&S CYCLES-Super Stock Engine Cases / '92-'99 Evo Big Twin-Engine Cases-MetalCore Harley Supply
S&S CYCLES
Super Stock Engine Cases / '92-'99 Evo Big Twin Sale price$1,795.95 USD
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
Gear & Chain Drive Cam Chest Kits / '99-'17 Twin Cams Sale priceFrom $1,731.95 USD
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
Hooligan Engine Performance Kits / '00-'22 Sportster Sale price$1,639.95 USD
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
El Dorado Dual Exhaust Systems / '09-'22 Bagger Sale priceFrom $1,619.95 USD
S&S CYCLES-Super Stock Heads / '84-'99 Evo Big Twin-Heads-MetalCore Harley Supply
S&S CYCLES
Super Stock Heads / '84-'99 Evo Big Twin Sale price$1,619.95 USD
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
106" Stroker Flywheel Kits / '99-'16 Twin Cam Sale priceFrom $1,525.95 USD
S&S CYCLES-124" Cylinder and Piston Kits / '07-'17 Twin Cams-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES
124" Cylinder and Piston Kits / '07-'17 Twin Cams Sale price$1,478.95 USD
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
Replacement Flywheel Assemblys / '99-'17 Twin Cams Sale priceFrom $1,435.95 USD
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
Bolt-In Sidewinder 4" Big Bore Kits / '99-'17 Twin Cams Sale price$1,385.95 USD
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
Cam Chest Kits without Cams / Twin Cam Motors Sale price$1,369.95 USD
S&S CYCLES-96" Big Bore Kit / '84-'99 Evo Big Twin-Big Bore Kit-MetalCore Harley Supply
S&S CYCLES
96" Big Bore Kit / '84-'99 Evo Big Twin Sale price$1,340.95 USD
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
S&S CYCLES
2-into-1 Qualifier Exhaust System / M8 Touring Sale priceFrom $1,296.95 USD
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
2 into 1 Lava Chrome Sidewinder Exhaust / '17 - '23 Bagger Sale priceFrom $1,296.95 USD
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
132" Big Bore Cylinder Kits / '17-'23 114"-117" M8 Sale priceFrom $1,295.96 USD
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
S&S CYCLES
Cam Chest Kit without Cams / M8 Motors Sale priceFrom $1,214.96 USD
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 Superstreet Brushed Stainless Exhaust System / M8 Softails Sale price$1,204.95 USD
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
2-into-1 Qualifier Exhaust Systems / M8 Softail Sale priceFrom $1,204.95 USD
Sold outS&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
Diamondback 2-into-1 Exhaust Systems / '17-'23 M8 Motors Sale priceFrom $1,204.95 USD
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 Exhaust Systems / '18-'22 M8 Softails Sale priceFrom $1,204.95 USD
S&S CYCLES-SuperStreet 2:1 50 State Exhaust System / '07-'22 Sportster-Exhaust - 2 into 1-MetalCore Harley Supply
S&S CYCLES
SuperStreet 2:1 50 State Exhaust System / '07-'22 Sportster Sale priceFrom $1,107.95 USD
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
2-into-1 Qualifier Exhaust Systems / '06-'17 Dyna Sale price$1,015.95 USD
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
1200cc Conversion Kit for XL883 / '86-'22 Sportsters Sale price$1,015.95 USD
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
1250cc Big Bore Conversion Kits / '86-'22 Sportster Sale priceFrom $847.22 USD
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
4.5" MK45 Performance Slip on Mufflers / '17-'24 Bagger Sale price$829.95 USD
S&S CYCLES-Rocker Arm Guardian Kit / M8-Rocker Arms-MetalCore Harley Supply
S&S CYCLES
Rocker Arm Guardian Kit / M8 Sale price$825.95 USD
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
TC3 Oil Pump and Cam Support Plate Kit / '99-'17 Twin Cam Sale price$752.95 USD
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
4.5" MK45 Slip-On Performance Mufflers / '99-'23 Bagger Sale priceFrom $737.95 USD
S&S CYCLES-Billet Oil Pump / '92-'99 Evo Big Twin-Oil Pump-MetalCore Harley Supply
S&S CYCLES
Billet Oil Pump / '92-'99 Evo Big Twin Sale price$643.95 USD
S&S CYCLES-Long-Block Installation Kit-Oil Pan-MetalCore Harley Supply
S&S CYCLES
Long-Block Installation Kit Sale price$629.95 USD
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
Forged Roller Rockers / '84-'17 Sale price$584.95 USD
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
475 Camshaft Kit with Dynojet PV-3 / '17-'19 M8 Motors Sale priceFrom $565.95 USD
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
S&S CYCLES
GNX 4.5" Slip-On Mufflers / '17-'22 Bagger Sale price$533.95 USD
S&S CYCLES-GNX 4.5" Slip-On Mufflers / '99-'16 Bagger-Exhaust - Slip Ons-MetalCore Harley SupplyS&S CYCLES-GNX 4.5" Slip-On Mufflers / '99-'16 Bagger-Exhaust - Slip Ons-MetalCore Harley Supply
S&S CYCLES
GNX 4.5" Slip-On Mufflers / '99-'16 Bagger Sale price$533.95 USD
Reasons to buy from MetalCore Harley Supply: earn rewards points on every purchase, flexible financing with Affirm and Shop Pay, fast free shipping on orders over $89 to the lower 48, international shipping available, earn 100 points and save $20 when you sign up