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S&S Cycle

Shop S&S Cycle performance parts for Harley-Davidson motorcycles, including engines, big-bore kits, camshafts, air cleaners, fuel systems and exhaust components for street, touring and performance builds.

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S&S 3-7/16" Forged Stroker Piston Kit. +.020" – 1941–1984 Big Twin with 84" (4-1/2"…

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Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

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S&S 3-7/16" Forged Stroker Piston Kit. +.030" – 1941–1984 Big Twin with 84" (4-1/2"…

Out of stock

Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

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£487.27
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£487.27
£412.92
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£412.92
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£487.27
£487.27 - £487.27
£487.27
£412.92
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£412.92

S&S 3-7/16" Forged Stroker Piston Kit. +.040" – 1941–1984 Big Twin with 84" (4-1/2"…

Out of stock

Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

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£487.27
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£487.27
£412.92
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£491.41
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£412.92
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£412.92

S&S 3-7/16" Forged Stroker Piston Kit. +.050" – 1941–1984 Big Twin with 84" (4-1/2"…

Low stock

Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

View full details
£491.41
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£491.41
£412.92
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£412.92
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Save 15% Save %
£487.27
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£487.27
£412.92
£412.92 - £412.92
£412.92

S&S 3-7/16" Forged Stroker Piston Kit. +.060" – 1941–1984 Big Twin with 84" (4-1/2"…

Low stock

Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

View full details
£487.27
£487.27 - £487.27
£487.27
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£412.92
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£487.27
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£487.27
£412.92
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£412.92

S&S 3-7/16" Forged Stroker Piston Kit. +.070" – 1941–1984 Big Twin with 84" (4-1/2"…

Out of stock

Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

View full details
£487.27
£487.27 - £487.27
£487.27
£412.92
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£412.92
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Save 15% Save %
£487.27
£487.27 - £487.27
£487.27
£412.92
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£412.92

S&S 3-7/16" Forged Stroker Piston Kit. +.080" – 1941–1984 Big Twin with 84" (4-1/2"…

Low stock

Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

View full details
£487.27
£487.27 - £487.27
£487.27
£412.92
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£412.92
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£487.27
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£487.27
£412.92
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£412.92

S&S 3-7/16" Forged Stroker Piston Kit. +.090" – 1941–1984 Big Twin with 84" (4-1/2"…

Low stock

Description Forged piston set. For 41-78 1200cc (74") Knuckle; Panhead; Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3-7...

View full details
£487.27
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£487.27
£412.92
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£434.40
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£434.40
£361.08
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£361.08

S&S Forged 3-5/8" Big Bore Piston Kit. Std – 1936–1984 88"; 93"; 93"hc; 96"; 98" and…

Out of stock

Description Fits all 3-5/8" big bore 36-84 B.T. models with 4-1/4" to 5" stroke flywheels with the correct flywheel diameter of 8-1/2. Note that 4-...

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£434.40
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£361.08
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£438.55
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£438.55
£361.08
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£361.08

S&S Forged 3-5/8" Big Bore Piston Kit. +.010" – 1936–1984 88"; 93"; 93"hc; 96"; 98" and…

Low stock

Description Fits all 3-5/8" big bore 36-84 B.T. models with 4-1/4" to 5" stroke flywheels with the correct flywheel diameter of 8-1/2. Note that 4-...

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£438.55
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£361.08
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£361.08
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£422.97
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£422.97
£361.08
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£361.08

S&S Forged 3-5/8" Big Bore Piston Kit. +.020" – 1936–1984 88"; 93"; 93"hc; 96"; 98" and…

Low stock

Description Fits all 3-5/8" big bore 36-84 B.T. models with 4-1/4" to 5" stroke flywheels with the correct flywheel diameter of 8-1/2. Note that 4-...

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£422.97
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£361.08
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£361.08
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£438.55
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£438.55
£361.08
£361.08 - £361.08
£361.08

S&S Forged 3-5/8" Big Bore Piston Kit. +.030" – 1936–1984 88"; 93"; 93"hc; 96"; 98" and…

Low stock

Description Fits all 3-5/8" big bore 36-84 B.T. models with 4-1/4" to 5" stroke flywheels with the correct flywheel diameter of 8-1/2. Note that 4-...

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£438.55
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£438.55
£361.08
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£361.08
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£422.97
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£422.97
£317.31
£317.31 - £317.31
£317.31

S&S Forged 3-5/8" Big Bore Piston Kit. +.060" – 1936–1984 88"; 93"; 93"hc; 96"; 98" and…

Low stock

Description Fits all 3-5/8" big bore 36-84 B.T. models with 4-1/4" to 5" stroke flywheels with the correct flywheel diameter of 8-1/2. Note that 4-...

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£422.97
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£422.97
£317.31
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£317.31
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£487.27
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£487.27
£426.11
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£426.11

S&S 883-1200 Conversion Piston Kit. Std – 1986–2022 XL883; 1986–1987 XL1100

Low stock

Description Used to convert a stock 883cc or 1100cc Sportster to 1200cc. Gives 1:9.5 CR with stock heads. Requires boring of stock cylinders to the...

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£426.11
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£487.27
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£426.11
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£426.11

S&S Evo Stroker Piston Set (OEM Heads). Std – 1984–1999 Evo Big Twin with 4-5/8"…

Out of stock

Description 89". 3-1/2" stock bore x 4-5/8" stroke. Used with stock cylinders and heads in combination with 4-5/8" stroker flywheels. Converts the ...

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£487.27
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£487.27
£426.11
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£426.11
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£487.27 - £487.27
£487.27
£508.83
£508.83 - £508.83
£508.83

S&S Evo Stroker Piston Set (OEM Heads). +.010" – 1984–1999 Evo Big Twin with 4-5/8"…

Low stock

Description 89". 3-1/2" stock bore x 4-5/8" stroke. Used with stock cylinders and heads in combination with 4-5/8" stroker flywheels. Converts the ...

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£487.27 - £487.27
£487.27
£508.83
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£508.83
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£487.27
£487.27 - £487.27
£487.27
£426.11
£426.11 - £426.11
£426.11

S&S Evo Stroker Piston Set (OEM Heads). +.020" – 1984–1999 Evo Big Twin with 4-5/8"…

Out of stock

Description 89". 3-1/2" stock bore x 4-5/8" stroke. Used with stock cylinders and heads in combination with 4-5/8" stroker flywheels. Converts the ...

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£487.27
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£487.27
£426.11
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£426.11
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£487.27 - £487.27
£487.27
£508.83
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£508.83

S&S Evo Stroker Piston Set (OEM Heads). +.030" – 1984–1999 Evo Big Twin with 4-5/8"…

Out of stock

Description 89". 3-1/2" stock bore x 4-5/8" stroke. Used with stock cylinders and heads in combination with 4-5/8" stroker flywheels. Converts the ...

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£487.27 - £487.27
£487.27
£508.83
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£822.53
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£822.53
£715.08
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£715.08

S&S Power-Tune Duals. Header Pipes for Touring – 2009–2016 FLT/Touring

Low stock

Description Chrome; with chrome heat shields. True independent duals look great but create a loss in torque; a horrendous idea in the minds of S&am...

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£822.53
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£715.08
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£107.66
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£104.38
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£104.38

S&S Cylinder Head/Base & Exhaust Gasket Kit. 3.927" – 1999–2017 Twin Cam with 3.927" Bore…

Low stock

Description Kit includes cylinder head gaskets; cylinder base base & exhaust gaskets. Note: Rocker cover gaskets are not included. Fitment99-17...

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£107.66
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£107.66
£104.38
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£104.38
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£387.05
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£328.00
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£328.00

S&S Chain Drive 509 Camshaft Kit – 1999–2006 Twin Cam

Low stock

Description Complete kit with two chain driven camshafts with installation kit that includes a gear cover gasket; cam bearings; retaining ring; o-r...

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£387.05
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£387.05
£328.00
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£328.00
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£918.34 - £918.34
£918.34
£929.30
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£929.30

S&S Gear Drive 509g Camshaft Kit (Iog) – 1999–2006 Twin Cam with Stock…

Out of stock

Description 509." valve lift. IOG = gear drive cams with Inner & Outer drive Gears. Complete kit with installation hardware; bearings and gaske...

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£918.34
£929.30
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£929.30
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£325.13
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£325.13
£277.72
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£277.72

S&S Twin Cam Tappet Cover Set. Chrome – 1999–2017 Twin Cam

Out of stock

Description Chrome plated billet aluminum. Complete with gaskets and mounting hardware. Repl. OEM 17964-99 (front) and 17966-99 (rear) covers. Fitm...

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£325.13
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£325.13
£277.72
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£277.72
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£270.14
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£270.14
£267.51
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£267.51

S&S Sidewinder Valve Spring Kit. .650" Lift – 1984–1999 Evo Big Twin; 1999–2004 Twin…

Out of stock

Description Kit includes beehive springs; chromoly forged top collars; steel bottom collars; valve keepers and shims. Works with both 7mm and 5/16"...

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£270.14
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£270.14
£267.51
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£267.51
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