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S&S CYCLE

S&S CYCLE

S&S CYCLE

Shop S&S Cycle Harley-Davidson Performance Parts: Big Bore Kits, Engines & Exhaust at JJ Motorsports

Discover legendary S&S Cycle performance parts, the premier USA-based manufacturer of high-horsepower motorcycle engines and components since 1958. Founded by George J. Smith and Stanley Stankos, S&S is the go-to brand for serious Harley-Davidson builders and racers seeking maximum power, reliability, and American-made quality. From complete long-block engines and big bore top-end kits to flywheels, cams, carburetors, and race-proven exhaust systems, S&S delivers groundbreaking innovations like the T143 engine, MK45 mufflers, and Shovelhead-style heads that transform stock Harleys into fire-breathing machines.

At JJ Motorsports, we stock the full line of S&S Cycle parts at competitive prices with fast shipping. Build more cubic inches, add serious torque, or upgrade your exhaust note with the brand trusted by champions for over 65 years. Explore related categories such as motorcycle engines and components for complete builds or motorcycle exhaust for power gains.

Top S&S Cycle Products

  • S&S Cycle Top End Kit - Big Twin 90-0097 – Complete bolt-on top-end kit with Shovelhead-style heads, stock bore cylinders, 8:1 forged pistons, gaskets, and hardware — no machining required for instant big-inch power.
  • S&S Cycle Flywheel Assembly 320-0598 – Forged steel flywheel assembly with keyed 6" tapered sprocket shaft, balanced to stock HD 80" pistons, includes crankpin and connecting rods — built for high-performance and custom applications.
  • S&S Cycle 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1011 – Bold 4-1/2" chrome mufflers with stainless steel baffles, RaceTEX packing for deep bass rumble, removable dB reducer, and 50-state legal — massive looks with serious performance gains.

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    S&S CYCLE Power Tune‚® XTO Muffler - 49 State 550-1038

    S&S CYCLE Power Tune‚® XTO Muffler - 49 State 550-1038

    S&S CYCLE

    MSRP: $1,285.95
    Now: $1,157.36
    Was: $1,285.95
    Tunable inserts allow for easy sound and power adjustment, Improved power and torque, Dual outlet & Stylized tips, Removable spark arrestors, 49 State legal, Meets J335 Forestry Standards, NOT LEGAL...
    18310991
    SKU:
    18310991
    Availability:
    Ships Same Business Day
    Weight:
    39.20 LBS
    MATERIAL:
    304 STAINLESS STEEL
    STYLE:
    DUAL
    UNITS:
    EACH
    MODEL:
    POWER TUNE® XTO
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    MUFFLER
    MSRP: $1,285.95
    Now: $1,157.36
    Was: $1,285.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,285.95
    Now: $1,157.36
    Was: $1,285.95
    Subtotal:
  • On Sale
    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1040 S&S CYCLE Power Tune‚® XTO Race Muffler 550-1040

    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1040

    S&S CYCLE

    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Tunable inserts allow for easy sound and power adjustment, Improved power and torque, Dual outlet & Stylized tips, Removable spark arrestors, Meets J335 Forestry Standards, NOT LEGAL FOR SALE OR...
    18310992
    SKU:
    18310992
    Availability:
    Ships Same Business Day
    Weight:
    31.20 LBS
    MATERIAL:
    304 STAINLESS STEEL
    STYLE:
    DUAL
    UNITS:
    EACH
    MODEL:
    POWER TUNE® XTO
    RIDING STYLE:
    UTV
    STYLE:
    RACE
    PRODUCT NAME:
    MUFFLER
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Subtotal:
  • On Sale
    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1041 S&S CYCLE Power Tune‚® XTO Race Muffler 550-1041

    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1041

    S&S CYCLE

    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Tunable inserts allow for easy sound and power adjustment, Improved power and torque, Dual outlet & Stylized tips, Removable spark arrestors, Meets J335 Forestry Standards, NOT LEGAL FOR SALE OR...
    18310993
    SKU:
    18310993
    Availability:
    Ships Same Business Day
    Weight:
    32.50 LBS
    MODEL:
    POWER TUNE® XTO
    RIDING STYLE:
    UTV
    STYLE:
    RACE
    MATERIAL:
    304 STAINLESS STEEL
    STYLE:
    DUAL
    UNITS:
    EACH
    PRODUCT NAME:
    MUFFLER
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Subtotal:
  • On Sale
    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1042 S&S CYCLE Power Tune‚® XTO Race Muffler 550-1042

    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1042

    S&S CYCLE

    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Tunable inserts allow for easy sound and power adjustment, Improved power and torque, Dual outlet & Stylized tips, Removable spark arrestors, Meets J335 Forestry Standards, NOT LEGAL FOR SALE OR...
    18310994
    SKU:
    18310994
    Availability:
    Ships Same Business Day
    Weight:
    32.10 LBS
    MODEL:
    POWER TUNE® XTO
    STYLE:
    RACE
    MATERIAL:
    304 STAINLESS STEEL
    RIDING STYLE:
    UTV
    STYLE:
    DUAL
    PRODUCT NAME:
    MUFFLER
    UNITS:
    EACH
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Subtotal:
  • On Sale
    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1043 S&S CYCLE Power Tune‚® XTO Race Muffler 550-1043

    S&S CYCLE Power Tune‚® XTO Race Muffler 550-1043

    S&S CYCLE

    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Tunable inserts allow for easy sound and power adjustment, Improved power and torque, Dual outlet & Stylized tips, Removable spark arrestors, Meets J335 Forestry Standards, NOT LEGAL FOR SALE OR...
    18310995
    SKU:
    18310995
    Availability:
    Ships Same Business Day
    Weight:
    40.70 LBS
    PRODUCT NAME:
    MUFFLER
    MATERIAL:
    304 STAINLESS STEEL
    MODEL:
    POWER TUNE® XTO
    STYLE:
    RACE
    UNITS:
    EACH
    RIDING STYLE:
    UTV
    STYLE:
    DUAL
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $999.95
    Now: $899.96
    Was: $999.95
    Subtotal:
  • On Sale
    S&S CYCLE 4.5" Mufflers - Chrome with Black Thruster 550-0619

    S&S CYCLE 4.5" Mufflers - Chrome with Black Thruster 550-0619

    S&S CYCLE

    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower...
    18010847
    SKU:
    18010847
    Availability:
    Ships Same Business Day
    Weight:
    32.00 LBS
    MUFFLER COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    MODEL:
    MK45
    PRODUCT NAME:
    MUFFLER
    TYPE:
    SLIP-ON
    BASE FINISH:
    CHROME
    END CAP COLOR/FINISH:
    BLACK
    END CAP STYLE:
    THRUSTER
    OUTER DIAMETER IMPERIAL:
    4-1/2'
    UNITS:
    PAIR
    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Subtotal:
  • On Sale
    S&S CYCLE 4.5" Mufflers - Black with Black Thruster 550-0621

    S&S CYCLE 4.5" Mufflers - Black with Black Thruster 550-0621

    S&S CYCLE

    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower...
    18010849
    SKU:
    18010849
    Availability:
    Ships Same Business Day
    Weight:
    31.00 LBS
    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Subtotal:
  • On Sale
    S&S CYCLE 4.5" Mufflers - Chrome with Chrome Tracer 550-0624

    S&S CYCLE 4.5" Mufflers - Chrome with Chrome Tracer 550-0624

    S&S CYCLE

    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Mk45 4.5" Touring Mufflers are the result of decades of riding, racing and tuning, Combines both a stainless steel baffle and RaceTEX cartridge packing, Create a deep rumble and improved horsepower...
    18010850
    SKU:
    18010850
    Availability:
    Ships Same Business Day
    Weight:
    29.50 LBS
    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $819.95
    Now: $716.36
    Was: $819.95
    Subtotal:
  • On Sale
    S&S CYCLE Super B Carburetor Rebuild Kit 11-2903

    S&S CYCLE Super B Carburetor Rebuild Kit 11-2903

    S&S CYCLE

    MSRP: $61.95
    Now: $55.76
    Was: $61.95
    Made in the U.S.A.
    112903
    SKU:
    112903
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    PRODUCT NAME:
    REPAIR KIT
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    MODEL:
    SUPER B
    TYPE:
    CARBURETOR
    MSRP: $61.95
    Now: $55.76
    Was: $61.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $61.95
    Now: $55.76
    Was: $61.95
    Subtotal:
  • On Sale
    S&S CYCLE Reducer - 1/2"-13 to 5/16"-18 50-8151

    S&S CYCLE Reducer - 1/2"-13 to 5/16"-18 50-8151

    S&S CYCLE

    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Reduces a 1/2"-13 threaded hole to 5/16"-18, Sold each; two required per motor, Made in the U.S.A.
    78062940
    SKU:
    78062940
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    COLOR/FINISH:
    SILVER
    UNITS:
    EACH
    PRODUCT NAME:
    THREAD REDUCER
    BASE COLOR:
    SILVER
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    STREET
    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $11.95
    Now: $10.76
    Was: $11.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Gasket Kit 90-9500

    S&S CYCLE Top End Gasket Kit 90-9500

    S&S CYCLE

    MSRP: $203.95
    Now: $183.56
    Was: $203.95
    Made in the U.S.A.
    909500
    SKU:
    909500
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    BORE SIZE IMPERIAL:
    3.500'
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    TYPE:
    TOP END
    RIDING STYLE:
    STREET
    MSRP: $203.95
    Now: $183.56
    Was: $203.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $203.95
    Now: $183.56
    Was: $203.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Gasket Kit - 3-5/8" 90-9501

    S&S CYCLE Top End Gasket Kit - 3-5/8" 90-9501

    S&S CYCLE

    MSRP: $205.95
    Now: $185.36
    Was: $205.95
    Made in the U.S.A.
    909501
    SKU:
    909501
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE SIZE IMPERIAL:
    3.625'
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    UNITS:
    KIT
    MSRP: $205.95
    Now: $185.36
    Was: $205.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $205.95
    Now: $185.36
    Was: $205.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Gasket - 3-5/8" - Big Twin 90-9502

    S&S CYCLE Top End Gasket - 3-5/8" - Big Twin 90-9502

    S&S CYCLE

    MSRP: $102.95
    Now: $89.96
    Was: $102.95
    Includes set of head and base gaskets, exhaust gaskets and O-rings, Layered steel head gaskets, Made in the U.S.A., Kit does not include rocker box gaskets; must be purchased separately.
    909502
    SKU:
    909502
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    BORE SIZE IMPERIAL:
    3.625'
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    BORE SIZE:
    3,625'
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    MSRP: $102.95
    Now: $89.96
    Was: $102.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $102.95
    Now: $89.96
    Was: $102.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Gasket - 4" - Big Twin 90-9503

    S&S CYCLE Top End Gasket - 4" - Big Twin 90-9503

    S&S CYCLE

    MSRP: $94.95
    Now: $82.76
    Was: $94.95
    Made in the U.S.A.
    909503
    SKU:
    909503
    Availability:
    Ships Same Business Day
    Weight:
    0.24 LBS
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    FEATURES:
    FOR '84 - '99 SUPER STOCK S&S EVOLUTION BIG TWIN
    TYPE:
    TOP END
    BORE SIZE IMPERIAL:
    4.000'
    RIDING STYLE:
    STREET
    MSRP: $94.95
    Now: $82.76
    Was: $94.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $94.95
    Now: $82.76
    Was: $94.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Gasket - 3-7/8" - Twin Cam 90-9504

    S&S CYCLE Top End Gasket - 3-7/8" - Twin Cam 90-9504

    S&S CYCLE

    MSRP: $137.95
    Now: $120.56
    Was: $137.95
    Made in the U.S.A.
    909504
    SKU:
    909504
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    TYPE:
    TOP END
    FEATURES:
    FOR '99 - '06 SUPER STOCK S&S TWIN CAM
    PRODUCT NAME:
    GASKET KIT
    MSRP: $137.95
    Now: $120.56
    Was: $137.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $137.95
    Now: $120.56
    Was: $137.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Gasket - 4" - Twin Cam 90-9505

    S&S CYCLE Top End Gasket - 4" - Twin Cam 90-9505

    S&S CYCLE

    MSRP: $106.95
    Now: $92.66
    Was: $106.95
    Made in the U.S.A.
    909505
    SKU:
    909505
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    FEATURES:
    FOR '99 - '06 SUPER STOCK S&S TWIN CAM
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    4.000'
    RIDING STYLE:
    STREET
    MSRP: $106.95
    Now: $92.66
    Was: $106.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $106.95
    Now: $92.66
    Was: $106.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Gasket Kit - 3.5" 90-9507

    S&S CYCLE Top End Gasket Kit - 3.5" 90-9507

    S&S CYCLE

    MSRP: $117.95
    Now: $102.56
    Was: $117.95
    Made in the U.S.A.
    909507
    SKU:
    909507
    Availability:
    Ships Same Business Day
    Weight:
    0.44 LBS
    BORE SIZE IMPERIAL:
    3.500'
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $117.95
    Now: $102.56
    Was: $117.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $117.95
    Now: $102.56
    Was: $117.95
    Subtotal:
  • On Sale
    S&S CYCLE Replacement Rings 94-1210X

    S&S CYCLE Replacement Rings 94-1210X

    S&S CYCLE

    MSRP: $67.95
    Now: $59.36
    Was: $67.95
    Replacement ring set for S&S Pistons
    941210
    SKU:
    941210
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.625'
    PRODUCT NAME:
    PISTON RING
    TYPE:
    REPLACEMENT
    UNITS:
    SET
    PISTON SIZE IMPERIAL:
    STANDARD
    MSRP: $67.95
    Now: $59.36
    Was: $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $67.95
    Now: $59.36
    Was: $67.95
    Subtotal:
  • On Sale
    S&S CYCLE Replacement Rings 94-1211X

    S&S CYCLE Replacement Rings 94-1211X

    S&S CYCLE

    MSRP: $64.95
    Now: $58.46
    Was: $64.95
    Replacement ring set for S&S Pistons
    941211
    SKU:
    941211
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PISTON SIZE IMPERIAL:
    +0.010'
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.625'
    PRODUCT NAME:
    PISTON RING
    UNITS:
    SET
    TYPE:
    REPLACEMENT
    MSRP: $64.95
    Now: $58.46
    Was: $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $64.95
    Now: $58.46
    Was: $64.95
    Subtotal:
  • On Sale
    S&S CYCLE Replacement Rings 94-1212X

    S&S CYCLE Replacement Rings 94-1212X

    S&S CYCLE

    MSRP: $64.95
    Now: $59.36
    Was: $64.95
    Replacement ring set for S&S Pistons
    941212
    SKU:
    941212
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.625'
    PISTON SIZE IMPERIAL:
    +0.020'
    PRODUCT NAME:
    PISTON RING
    TYPE:
    REPLACEMENT
    UNITS:
    SET
    MSRP: $64.95
    Now: $59.36
    Was: $64.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $64.95
    Now: $59.36
    Was: $64.95
    Subtotal:
  • On Sale
    S&S CYCLE Replacement Rings 94-1300X

    S&S CYCLE Replacement Rings 94-1300X

    S&S CYCLE

    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Replacement ring set for S&S Pistons
    941300
    SKU:
    941300
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PISTON SIZE IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    4.000'
    RIDING STYLE:
    STREET
    TYPE:
    REPLACEMENT
    UNITS:
    SET
    PRODUCT NAME:
    PISTON RING
    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Subtotal:
  • On Sale
    S&S CYCLE Replacement Rings 94-1301X

    S&S CYCLE Replacement Rings 94-1301X

    S&S CYCLE

    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Replacement ring set for S&S Pistons
    941301
    SKU:
    941301
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    BORE SIZE IMPERIAL:
    4.000'
    PRODUCT NAME:
    PISTON RING
    TYPE:
    REPLACEMENT
    UNITS:
    SET
    PISTON SIZE IMPERIAL:
    +0.010'
    RIDING STYLE:
    STREET
    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Subtotal:
  • On Sale
    S&S CYCLE Replacement Rings 94-1400X

    S&S CYCLE Replacement Rings 94-1400X

    S&S CYCLE

    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Replacement ring set for S&S Pistons
    941400
    SKU:
    941400
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.125'
    PRODUCT NAME:
    PISTON RING
    TYPE:
    REPLACEMENT
    UNITS:
    SET
    PISTON SIZE IMPERIAL:
    STANDARD
    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $63.95
    Now: $55.76
    Was: $63.95
    Subtotal:
  • On Sale
    S&S CYCLE Replacement Rings 94-1401X

    S&S CYCLE Replacement Rings 94-1401X

    S&S CYCLE

    MSRP: $66.95
    Now: $58.46
    Was: $66.95
    Replacement ring set for S&S Pistons
    941401
    SKU:
    941401
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PISTON SIZE IMPERIAL:
    +0.010'
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON RING
    TYPE:
    REPLACEMENT
    UNITS:
    SET
    BORE SIZE IMPERIAL:
    4.125'
    MSRP: $66.95
    Now: $58.46
    Was: $66.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $66.95
    Now: $58.46
    Was: $66.95
    Subtotal:
  • On Sale
    S&S CYCLE Adjustable Pushrods - XL 93-5022

    S&S CYCLE Adjustable Pushrods - XL 93-5022

    S&S CYCLE

    MSRP: $152.95
    Now: $137.66
    Was: $152.95
    .4375" diameter chromoly steel for maximum strength, Rocker boxes must be removed for installation or removal, Made in the U.S.A.
    935022
    SKU:
    935022
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    MATERIAL:
    CHROMOLY STEEL
    UNITS:
    4 PACK
    PRODUCT NAME:
    PUSHROD SET
    RIDING STYLE:
    STREET
    STYLE:
    ADJUSTABLE
    MSRP: $152.95
    Now: $137.66
    Was: $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $152.95
    Now: $137.66
    Was: $152.95
    Subtotal:
  • On Sale
    S&S CYCLE Adjustable Pushrods - XL 93-5033

    S&S CYCLE Adjustable Pushrods - XL 93-5033

    S&S CYCLE

    MSRP: $152.95
    Now: $139.46
    Was: $152.95
    .4375" diameter chromoly steel for maximum strength, Rocker boxes must be removed for installation or removal, Made in the U.S.A.
    935033
    SKU:
    935033
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    PRODUCT NAME:
    PUSHROD SET
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    MATERIAL:
    CHROMOLY STEEL
    STYLE:
    ADJUSTABLE
    MSRP: $152.95
    Now: $139.46
    Was: $152.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $152.95
    Now: $139.46
    Was: $152.95
    Subtotal:
  • S&S CYCLE Adjustable Pushrods - Big Twin 93-5076

    S&S CYCLE Adjustable Pushrods - Big Twin 93-5076

    S&S CYCLE

    $157.46
    .4375" diameter chromoly steel for maximum strength, Rocker boxes must be removed for installation or removal, Made in the U.S.A.
    935076
    SKU:
    935076
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    STYLE:
    ADJUSTABLE
    MATERIAL:
    CHROMOLY STEEL
    UNITS:
    4 PACK
    PRODUCT NAME:
    PUSHROD SET
    RIDING STYLE:
    STREET
    $157.46
    Qty in Cart: 0
    Quantity:
    Price:
    $157.46
    Subtotal:
  • On Sale
    S&S CYCLE Rocker Arm Shafts - Twin Cam 90-4036

    S&S CYCLE Rocker Arm Shafts - Twin Cam 90-4036

    S&S CYCLE

    MSRP: $59.95
    Now: $45.86
    Was: $59.95
    Made in the U.S.A.
    904036
    SKU:
    904036
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    MOUNTING POSITION:
    FRONT
    APPLICATION:
    INTAKE
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SHAFT
    RIDING STYLE:
    STREET
    APPLICATION:
    EXHAUST
    TYPE:
    ROCKER ARM
    UNITS:
    SET OF 4
    MSRP: $59.95
    Now: $45.86
    Was: $59.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $59.95
    Now: $45.86
    Was: $59.95
    Subtotal:
  • On Sale
    S&S CYCLE Rocker Box Gasket Kit 90-4091

    S&S CYCLE Rocker Box Gasket Kit 90-4091

    S&S CYCLE

    MSRP: $91.95
    Now: $82.76
    Was: $91.95
    Includes all required gaskets and O-rings for both rocker boxes
    904091
    SKU:
    904091
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    ROCKER BOX
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    MSRP: $91.95
    Now: $82.76
    Was: $91.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $91.95
    Now: $82.76
    Was: $91.95
    Subtotal:
  • On Sale
    S&S CYCLE Die Cast Rocker Box - Evolution 90-4095

    S&S CYCLE Die Cast Rocker Box - Evolution 90-4095

    S&S CYCLE

    MSRP: $1,279.95
    Now: $1,151.96
    Was: $1,279.95
    Positive O-ring seal ensures leak-free operation, Can be installed with the stock engine in the frame in most applications, Include rocker boxes, gaskets and mounting bolts, Assembler must supply...
    904095
    SKU:
    904095
    Availability:
    Ships Same Business Day
    Weight:
    12.28 LBS
    COLOR/FINISH:
    CHROME
    UNITS:
    PAIR
    BASE FINISH:
    CHROME
    MATERIAL:
    DIE-CAST
    PRODUCT NAME:
    ROCKER BOX
    RIDING STYLE:
    STREET
    MSRP: $1,279.95
    Now: $1,151.96
    Was: $1,279.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,279.95
    Now: $1,151.96
    Was: $1,279.95
    Subtotal:
  • On Sale
    S&S CYCLE Die Cast Rocker Box - Twin Cam 90-4110

    S&S CYCLE Die Cast Rocker Box - Twin Cam 90-4110

    S&S CYCLE

    MSRP: $1,091.95
    Now: $982.76
    Was: $1,091.95
    Positive O-ring seal ensures leak-free operation, Can be installed with the stock engine in the frame in most applications, Include rocker boxes, gaskets and mounting bolts, Assembler must supply...
    904110
    SKU:
    904110
    Availability:
    Ships Same Business Day
    Weight:
    12.45 LBS
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    ROCKER BOX
    RIDING STYLE:
    STREET
    MATERIAL:
    DIE-CAST
    UNITS:
    PAIR
    MSRP: $1,091.95
    Now: $982.76
    Was: $1,091.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,091.95
    Now: $982.76
    Was: $1,091.95
    Subtotal:
  • On Sale
    S&S CYCLE Rocker Box Gasket Kit 90-4111

    S&S CYCLE Rocker Box Gasket Kit 90-4111

    S&S CYCLE

    MSRP: $71.95
    Now: $64.76
    Was: $71.95
    Includes all required gaskets and O-rings for both rocker boxes
    904111
    SKU:
    904111
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    FEATURES:
    FOR '99 - '17 TWIN CAM S&S ROCKER BOX
    RIDING STYLE:
    STREET
    TYPE:
    ROCKER BOX
    MSRP: $71.95
    Now: $64.76
    Was: $71.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $71.95
    Now: $64.76
    Was: $71.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1060

    S&S CYCLE Piston Kit 92-1060

    S&S CYCLE

    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    These forged pistons are designed for use in S&S® Big Bore Hot Set Up Kits® for HD® Evolution® big twin engines, and S&S® 3-5/8" bore engines with S&S® Super Stock® cylinder heads and 4-1/4�,...
    921060
    SKU:
    921060
    Availability:
    Ships Same Business Day
    Weight:
    2.78 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    DISPLACEMENT:
    88'
    BORE SIZE IMPERIAL:
    3.625'
    DISPLACEMENT:
    93'
    DISPLACEMENT:
    96'
    TYPE:
    REPLACEMENT
    BORE - OVERSIZE:
    STANDARD
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1061

    S&S CYCLE Piston Kit 92-1061

    S&S CYCLE

    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    These forged pistons are designed for use in S&S® Big Bore Hot Set Up Kits® for HD® Evolution® big twin engines, and S&S® 3-5/8" bore engines with S&S® Super Stock® cylinder heads and 4-1/4�,...
    921061
    SKU:
    921061
    Availability:
    Ships Same Business Day
    Weight:
    2.78 LBS
    DISPLACEMENT:
    88'
    BORE - OVERSIZE:
    +0,010'
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.625'
    DISPLACEMENT:
    93'
    DISPLACEMENT:
    96'
    TYPE:
    REPLACEMENT
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1062

    S&S CYCLE Piston Kit 92-1062

    S&S CYCLE

    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    These forged pistons are designed for use in S&S® Big Bore Hot Set Up Kits® for HD® Evolution® big twin engines, and S&S® 3-5/8" bore engines with S&S® Super Stock® cylinder heads and 4-1/4�,...
    921062
    SKU:
    921062
    Availability:
    Ships Same Business Day
    Weight:
    2.78 LBS
    BORE - OVERSIZE:
    +0,020'
    BORE SIZE IMPERIAL:
    3.625'
    DISPLACEMENT:
    88'
    DISPLACEMENT:
    96'
    TYPE:
    REPLACEMENT
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PISTON MATERIAL:
    FORGED
    DISPLACEMENT:
    93'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $449.96
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1400

    S&S CYCLE Piston Kit 92-1400

    S&S CYCLE

    MSRP: $484.95
    Now: $426.56
    Was: $484.95
    Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...
    921400
    SKU:
    921400
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    100'
    PISTON HEAD SHAPE:
    FLAT TOP
    DISPLACEMENT:
    107'
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $426.56
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $426.56
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1401

    S&S CYCLE Piston Kit 92-1401

    S&S CYCLE

    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...
    921401
    SKU:
    921401
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    100'
    DISPLACEMENT:
    107'
    PISTON MATERIAL:
    FORGED
    PISTON HEAD SHAPE:
    FLAT TOP
    BORE - OVERSIZE:
    +0,010'
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1402

    S&S CYCLE Piston Kit 92-1402

    S&S CYCLE

    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...
    921402
    SKU:
    921402
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    DISPLACEMENT:
    107'
    PISTON HEAD SHAPE:
    FLAT TOP
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    100'
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE - OVERSIZE:
    +0,020'
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1410

    S&S CYCLE Piston Kit 92-1410

    S&S CYCLE

    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...
    921410
    SKU:
    921410
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    PISTON MATERIAL:
    FORGED
    BORE SIZE IMPERIAL:
    4.000'
    PISTON HEAD SHAPE:
    FLAT TOP
    STROKE LENGTH IMPERIAL:
    4-1/2'
    DISPLACEMENT:
    113'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1411

    S&S CYCLE Piston Kit 92-1411

    S&S CYCLE

    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression, Cast Flat-Topped Replacement Piston Kits For 1984-'99 HD® Big Twins with Stock Heads or S&S Performance...
    921411
    SKU:
    921411
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    113'
    PISTON HEAD SHAPE:
    FLAT TOP
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-1/2'
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    BORE - OVERSIZE:
    +0,010'
    TYPE:
    REPLACEMENT
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $422.96
    Was: $484.95
    Subtotal:
  • Total: items /

Adding your products to cart

S&S Cycle
 S&S Cycle stands as a towering icon in the motorcycle industry, renowned for its unwavering commitment to excellence and innovation in performance motorcycle parts. Founded in 1958 by the dynamic duo of George J. Smith and Stanley Stankos, S&S Cycle has carved its niche as the premier engineer and manufacturer of motorcycle engines and parts in America. Originating from a passion for racing, the company has spent over six decades perfecting the art of motorcycle performance, ensuring each piece that comes out of their factory not only meets but exceeds the high expectations of the powersports community. With a deep-rooted history in enhancing the power and performance of Harley-Davidson® motorcycles, S&S Cycle is the go-to brand for enthusiasts seeking unmatched quality and proven performance.

 

 S&S Cycle Parts
 S&S Cycle's product line extends far beyond just engines; it encompasses a broad array of components designed to elevate the performance of your motorcycle. From the initial solid lifter conversion kit featuring lightweight aluminum pushrods to state-of-the-art carburetors, air cleaners, and throttle bodies, every part is engineered with precision. The brand's dedication to innovation means continually refining and expanding their offerings to include everything a motorcycle might need for optimal performance and reliability.

 

 S&S Cycle Engines
 At the heart of S&S Cycle's legacy are its engines. Renowned for their robustness and reliability, S&S engines come in various styles, including the iconic Knucklehead, Shovelhead, Panhead, Evolution-style, and Twin-cam style engines. Each engine, like the T143 Assembled Long Block Engine, is meticulously constructed to provide unmatched power and torque, transforming any motorcycle into a high-performance machine. S&S's commitment to quality ensures that whether you're cruising the streets or dominating the racetrack, their engines will deliver unparalleled performance.

 

 S&S Cams
 S&S cams are designed to unlock the full potential of your motorcycle's engine. With a focus on maximizing horsepower, torque, and overall engine efficiency, S&S cams are a critical component for anyone looking to boost their bike's performance. Each cam is the result of exhaustive research and development, ensuring compatibility and impressive gains across various riding conditions. Whether you're upgrading an existing engine or building a custom setup, S&S cams are essential for achieving peak performance.

 

 S&S Motorcycle Exhausts
 To complement their engines and performance parts, S&S Cycle also offers a range of high-quality motorcycle exhaust systems. These exhausts are not only built to withstand the rigors of high-performance riding but are also designed to optimize exhaust flow, enhancing both sound and power output. From aggressive race-inspired designs to more subdued styles for daily riding, S&S Cycle's exhaust systems combine performance improvements with aesthetic appeal, making them a favorite among discerning riders.

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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