Select Your Ride

1
2
3

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 Main Jet - .058" 11-7229

    S&S CYCLE Main Jet - .058" 11-7229

    S&S CYCLE

    MSRP: $50.95
    Now: $45.86
    Was: $50.95
    Proper fuel atomization is critical to engine performance, and carburetor jetting directly controls your air-fuel mixture. The S&S Cycle Main Jet in .058" ensures optimal fuel delivery across your...
    10060237
    SKU:
    10060237
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    FEATURES:
    FOR S&S CARBURETORS
    JET SIZE:
    0.058
    TYPE:
    MAIN
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    MSRP: $50.95
    Now: $45.86
    Was: $50.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $50.95
    Now: $45.86
    Was: $50.95
    Subtotal:
  • On Sale
    S&S CYCLE Main Jet - .060" 11-7230

    S&S CYCLE Main Jet - .060" 11-7230

    S&S CYCLE

    MSRP: $50.95
    Now: $45.86
    Was: $50.95
    Proper jetting is foundational to fuel carburetor performance—too lean and you risk engine damage, too rich and you sacrifice efficiency and throttle response. The S&S Cycle Main Jet .060" delivers...
    10060238
    SKU:
    10060238
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    FEATURES:
    FOR S&S CARBURETORS
    JET SIZE:
    0.060
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    TYPE:
    MAIN
    MSRP: $50.95
    Now: $45.86
    Was: $50.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $50.95
    Now: $45.86
    Was: $50.95
    Subtotal:
  • On Sale
    S&S CYCLE Electric Fuel Injection Fuel Pump - Custom Application 55-5089

    S&S CYCLE Electric Fuel Injection Fuel Pump - Custom Application 55-5089

    S&S CYCLE

    MSRP: $1,245.95
    Now: $1,121.36
    Was: $1,245.95
    A reliable fuel pump is the foundation of any EFI system—it delivers consistent pressure and flow to keep your injectors atomizing fuel precisely, every lap. The S&S Cycle Electric Fuel Injection...
    10090007
    SKU:
    10090007
    Availability:
    Ships Same Business Day
    Weight:
    2.24 LBS
    PRODUCT NAME:
    FUEL PUMP
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    TYPE:
    IN-TANK
    MSRP: $1,245.95
    Now: $1,121.36
    Was: $1,245.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,245.95
    Now: $1,121.36
    Was: $1,245.95
    Subtotal:
  • On Sale
    S&S CYCLE Super E and G Carburetor Master Jet Kit 11-7272

    S&S CYCLE Super E and G Carburetor Master Jet Kit 11-7272

    S&S CYCLE

    MSRP: $112.95
    Now: $101.66
    Was: $112.95
    Carburetor jetting directly impacts your engine's fuel delivery across the entire RPM range—too lean and you risk detonation and loss of power, too rich and you're wasting fuel and fouling plugs. The...
    10070402
    SKU:
    10070402
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    JET
    FEATURES:
    FOR S&S CARBURETORS
    TYPE:
    SUPER B
    TYPE:
    SUPER E AND G
    MATERIAL:
    BRASS
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    MSRP: $112.95
    Now: $101.66
    Was: $112.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $112.95
    Now: $101.66
    Was: $112.95
    Subtotal:
  • On Sale
    S&S CYCLE Intermediate Jet - .036 11-7114

    S&S CYCLE Intermediate Jet - .036 11-7114

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Proper jetting is the foundation of carburetor tuning—it directly impacts throttle response, fuel efficiency, and engine reliability across varying conditions. The S&S Cycle Intermediate Jet (.036)...
    10050008
    SKU:
    10050008
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    TYPE:
    INTERMEDIATE
    JET SIZE IMPERIAL:
    0.036'
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    FEATURES:
    FOR S&S CARBURETORS
    MODEL:
    S&S
    UNITS:
    3 PACK
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    S&S CYCLE Intermediate Jet -  .040 11-7115

    S&S CYCLE Intermediate Jet - .040 11-7115

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Achieving the correct air-fuel mixture is fundamental to engine performance, and this S&S CYCLE intermediate jet provides the precision tuning needed for both stock and modified engines. Whether...
    10050009
    SKU:
    10050009
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    FEATURES:
    FOR S&S CARBURETORS
    TYPE:
    INTERMEDIATE
    JET SIZE IMPERIAL:
    0.040'
    PRODUCT NAME:
    JET
    RIDING STYLE:
    STREET
    UNITS:
    3 PACK
    MODEL:
    S&S
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    S&S CYCLE Super E/G Carburetor Float 11-2187

    S&S CYCLE Super E/G Carburetor Float 11-2187

    S&S CYCLE

    MSRP: $28.95
    Now: $26.06
    Was: $28.95
    A worn or damaged carburetor float disrupts fuel delivery, causing running issues that compromise engine performance and reliability. The S&S Cycle Super E/G Float is precision-engineered to restore...
    10030353
    SKU:
    10030353
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MODEL:
    SUPER E
    PRODUCT NAME:
    FLOAT
    TYPE:
    WIRE
    UNITS:
    EACH
    MODEL:
    SUPER B
    MODEL:
    SUPER G
    RIDING STYLE:
    STREET
    MSRP: $28.95
    Now: $26.06
    Was: $28.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $28.95
    Now: $26.06
    Was: $28.95
    Subtotal:
  • On Sale
    S&S CYCLE Needle Super E/Super G Race 11-2197

    S&S CYCLE Needle Super E/Super G Race 11-2197

    S&S CYCLE

    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Precise fuel delivery is non-negotiable in high-performance racing engines, and S&S Cycle's needle carburetors are engineered to optimize air-fuel mixture across the entire RPM range. This needle set...
    10030464
    SKU:
    10030464
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    TYPE:
    INLET
    UNITS:
    EACH
    PRODUCT NAME:
    NEEDLE
    RIDING STYLE:
    STREET
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Subtotal:
  • On Sale
    S&S CYCLE Viton O-Ring 50-7961-S

    S&S CYCLE Viton O-Ring 50-7961-S

    S&S CYCLE

    MSRP: $9.95
    Now: $8.96
    Was: $9.95
    A worn or degraded O-ring in your S&S Super E or G carburetor can cause fuel leaks, air leaks, and inconsistent jetting—all of which tank performance and reliability. This OEM Viton O-ring is...
    09350862
    SKU:
    09350862
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    EACH
    INSIDE DIAMETER:
    5,250'
    INSIDE DIAMETER IMPERIAL:
    5.250'
    RIDING STYLE:
    STREET
    MATERIAL:
    VITON
    OUTSIDE DIAMETER:
    5,437'
    OUTSIDE DIAMETER IMPERIAL:
    5.437'
    PRODUCT NAME:
    O-RING
    STYLE:
    PERFORMANCE REPLACEMENT
    MSRP: $9.95
    Now: $8.96
    Was: $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $9.95
    Now: $8.96
    Was: $9.95
    Subtotal:
  • On Sale
    S&S CYCLE Viton O-Ring 50-8008

    S&S CYCLE Viton O-Ring 50-8008

    S&S CYCLE

    MSRP: $4.95
    Now: $4.46
    Was: $4.95
    Carburetor sealing integrity directly impacts fuel delivery consistency and engine performance. A degraded or missing O-ring in your Super E or G carburetor can introduce air leaks, causing lean...
    09350863
    SKU:
    09350863
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    OUTSIDE DIAMETER:
    0,565'
    UNITS:
    EACH
    INSIDE DIAMETER:
    0,437'
    MATERIAL:
    VITON
    OUTSIDE DIAMETER IMPERIAL:
    0.565'
    RIDING STYLE:
    STREET
    STYLE:
    CUSTOM REPLACEMENT
    INSIDE DIAMETER IMPERIAL:
    0.437'
    PRODUCT NAME:
    O-RING
    MSRP: $4.95
    Now: $4.46
    Was: $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $4.95
    Now: $4.46
    Was: $4.95
    Subtotal:
  • On Sale
    S&S CYCLE Silicone O-Ring 50-8012

    S&S CYCLE Silicone O-Ring 50-8012

    S&S CYCLE

    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Carburetor sealing integrity is critical to maintaining precise fuel-air ratios and preventing vacuum leaks that compromise performance. This S&S Cycle silicone O-ring is engineered as a direct...
    09350866
    SKU:
    09350866
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    INSIDE DIAMETER:
    0,218'
    RIDING STYLE:
    STREET
    STYLE:
    CUSTOM REPLACEMENT
    OUTSIDE DIAMETER IMPERIAL:
    0.3438'
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    0.218'
    PRODUCT NAME:
    O-RING
    APPLICATION:
    ACCELERATOR PUMP CAP
    MATERIAL:
    SILICONE
    OUTSIDE DIAMETER:
    0,3438'
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Subtotal:
  • On Sale
    S&S CYCLE Nitrile O-Ring 50-8013

    S&S CYCLE Nitrile O-Ring 50-8013

    S&S CYCLE

    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    If you're running a Super E or G carburetor, seal integrity directly impacts fuel delivery precision and overall engine performance. A worn or degraded o-ring creates fuel leaks, air leaks, and...
    09350867
    SKU:
    09350867
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    STYLE:
    CUSTOM REPLACEMENT
    PRODUCT NAME:
    O-RING
    MATERIAL:
    NITRILE RUBBER
    OUTSIDE DIAMETER IMPERIAL:
    2.187'
    UNITS:
    EACH
    APPLICATION:
    INTAKE MANIFOLD TO CARBURETOR
    INSIDE DIAMETER:
    2,000'
    INSIDE DIAMETER IMPERIAL:
    2.000'
    OUTSIDE DIAMETER:
    2,187'
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Subtotal:
  • On Sale
    S&S CYCLE Nitrile O-Ring 50-8016

    S&S CYCLE Nitrile O-Ring 50-8016

    S&S CYCLE

    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    A deteriorating or missing O-ring in your S&S Super E or G carburetor can cause fuel leaks, air leaks, and erratic idle conditions that compromise both performance and reliability. This OEM nitrile...
    09350868
    SKU:
    09350868
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    INSIDE DIAMETER:
    2,000'
    PRODUCT NAME:
    O-RING
    RIDING STYLE:
    STREET
    STYLE:
    CUSTOM REPLACEMENT
    INSIDE DIAMETER IMPERIAL:
    2.000'
    MATERIAL:
    NITRILE RUBBER
    OUTSIDE DIAMETER:
    2,125'
    OUTSIDE DIAMETER IMPERIAL:
    2.125'
    UNITS:
    EACH
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Subtotal:
  • On Sale
    S&S CYCLE Viton O-Ring 50-8044

    S&S CYCLE Viton O-Ring 50-8044

    S&S CYCLE

    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    A worn or degraded O-ring in your Super E or G carburetor will cause fuel leaks, air leaks, and inconsistent jetting—compromising both performance and reliability. This OEM S&S Cycle Viton O-ring is...
    09350869
    SKU:
    09350869
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    STYLE:
    CUSTOM REPLACEMENT
    MATERIAL:
    VITON
    OUTSIDE DIAMETER:
    1,875'
    PRODUCT NAME:
    O-RING
    INSIDE DIAMETER:
    1,625'
    INSIDE DIAMETER IMPERIAL:
    1.625'
    OUTSIDE DIAMETER IMPERIAL:
    1.875'
    UNITS:
    EACH
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Subtotal:
  • On Sale
    S&S CYCLE Silicone O-Ring 50-8095

    S&S CYCLE Silicone O-Ring 50-8095

    S&S CYCLE

    MSRP: $19.95
    Now: $17.96
    Was: $19.95
    Carburetor seal integrity directly impacts fuel atomization and engine performance—a worn or degraded O-ring compromises both. The S&S Cycle silicone O-ring is engineered for Super E and G...
    09350870
    SKU:
    09350870
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    INSIDE DIAMETER:
    0,390'
    OUTSIDE DIAMETER IMPERIAL:
    0.510'
    UNITS:
    10 PACK
    MATERIAL:
    SILICONE
    OUTSIDE DIAMETER:
    0,510'
    PRODUCT NAME:
    O-RING
    INSIDE DIAMETER IMPERIAL:
    0.390'
    RIDING STYLE:
    STREET
    STYLE:
    CUSTOM REPLACEMENT
    MSRP: $19.95
    Now: $17.96
    Was: $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $19.95
    Now: $17.96
    Was: $19.95
    Subtotal:
  • On Sale
    S&S CYCLE Valve Guide Seals - 8 pack 90-2158

    S&S CYCLE Valve Guide Seals - 8 pack 90-2158

    S&S CYCLE

    MSRP: $23.95
    Now: $21.56
    Was: $23.95
    Valve guide seals are critical to maintaining proper oil control in your engine's cylinder head—worn or damaged seals allow oil to seep past the guides and into the combustion chamber, causing...
    09351009
    SKU:
    09351009
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    FUEL VALVE
    PRODUCT NAME:
    SEAL
    UNITS:
    8 PACK
    RIDING STYLE:
    STREET
    MSRP: $23.95
    Now: $21.56
    Was: $23.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.95
    Now: $21.56
    Was: $23.95
    Subtotal:
  • On Sale
    S&S CYCLE Viton O-Ring - 14 mm x 1.5 mm 500-0861

    S&S CYCLE Viton O-Ring - 14 mm x 1.5 mm 500-0861

    S&S CYCLE

    MSRP: $14.95
    Now: $13.46
    Was: $14.95
    Carburetor sealing integrity directly impacts fuel delivery precision and engine performance. A worn or degraded o-ring allows fuel and air mixture leakage, compromising combustion efficiency and...
    09351014
    SKU:
    09351014
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    MATERIAL:
    VITON
    PRODUCT NAME:
    O-RING
    RIDING STYLE:
    STREET
    STYLE:
    CUSTOM REPLACEMENT
    UNITS:
    5 PACK
    MSRP: $14.95
    Now: $13.46
    Was: $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $14.95
    Now: $13.46
    Was: $14.95
    Subtotal:
  • On Sale
    S&S CYCLE Final Drive Belt - 127-Tooth - 1 1/2" 106-0349

    S&S CYCLE Final Drive Belt - 127-Tooth - 1 1/2" 106-0349

    S&S CYCLE

    MSRP: $292.95
    Now: $263.66
    Was: $292.95
    A final drive belt is the critical link between your transmission and rear wheel—any slippage or wear directly impacts acceleration, reliability, and power transfer. The S&S Cycle 127-tooth belt uses...
    12040094
    SKU:
    12040094
    Availability:
    Ships Same Business Day
    Weight:
    2.30 LBS
    PRODUCT NAME:
    BELT
    TOOTH COUNT:
    127
    WIDTH IMPERIAL:
    1-1/2'
    MATERIAL:
    X3N CARBON
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    REAR DRIVE
    MSRP: $292.95
    Now: $263.66
    Was: $292.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $292.95
    Now: $263.66
    Was: $292.95
    Subtotal:
  • On Sale
    S&S CYCLE Final Drive Belt - 125-Tooth - 1 1/8" 106-0357

    S&S CYCLE Final Drive Belt - 125-Tooth - 1 1/8" 106-0357

    S&S CYCLE

    MSRP: $284.95
    Now: $256.46
    Was: $284.95
    A reliable final drive belt is critical to maintaining consistent power delivery and preventing catastrophic drivetrain failure. The S&S Cycle 125-tooth belt uses Gates Carbon X3N material—engineered...
    12040102
    SKU:
    12040102
    Availability:
    Ships Same Business Day
    Weight:
    1.80 LBS
    RIDING STYLE:
    STREET
    WIDTH IMPERIAL:
    1-1/8'
    MATERIAL:
    X3N CARBON
    PRODUCT NAME:
    BELT
    UNITS:
    EACH
    TOOTH COUNT:
    125
    TYPE:
    REAR DRIVE
    MSRP: $284.95
    Now: $256.46
    Was: $284.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $284.95
    Now: $256.46
    Was: $284.95
    Subtotal:
  • On Sale
    S&S CYCLE Inlet Carburetor Fuel Swivel 106-2011

    S&S CYCLE Inlet Carburetor Fuel Swivel 106-2011

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    If your S&S Cycle carburetor is showing signs of wear—hesitation, rough idle, or fuel leakage—this genuine fuel swivel replacement restores precision fuel delivery and engine responsiveness...
    10030237
    SKU:
    10030237
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    SWIVEL FUEL INLET
    MODEL:
    SUPER E
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MODEL:
    SUPER G
    TYPE:
    CARBURETOR
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    S&S CYCLE Top End Kit - Big Twin 90-0098

    S&S CYCLE Top End Kit - Big Twin 90-0098

    S&S CYCLE

    MSRP: $3,659.95
    Now: $3,293.96
    Was: $3,659.95
    If you're running a Big Twin and want bolt-on power without the machine shop downtime, the S&S Cycle Top End Kit delivers a complete, ready-to-install solution. Pre-fit pistons and...
    09031270
    SKU:
    09031270
    Availability:
    Ships Same Business Day
    Weight:
    60.10 LBS
    STROKE LENGTH IMPERIAL:
    4-1/4'
    BORE SIZE IMPERIAL:
    3.500'
    COMPRESSION RATIO IMPERIAL:
    8.0:1
    PRODUCT NAME:
    CYLINDER KIT
    UNITS:
    KIT
    DISPLACEMENT:
    80'
    RIDING STYLE:
    STREET
    STYLE:
    SHOVELHEAD
    MSRP: $3,659.95
    Now: $3,293.96
    Was: $3,659.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,659.95
    Now: $3,293.96
    Was: $3,659.95
    Subtotal:
  • On Sale
    S&S CYCLE Hot Set-Up Kit - Black 900-0565

    S&S CYCLE Hot Set-Up Kit - Black 900-0565

    S&S CYCLE

    MSRP: $7,104.95
    Now: $6,394.46
    Was: $7,104.95
    If you're running a stock Twin Cam and looking for serious displacement gains without a complete engine rebuild, the S&S Hot Set-Up Kit delivers 124 cubic inches of performance using your existing...
    09031254
    SKU:
    09031254
    Availability:
    Ships Same Business Day
    Weight:
    111.00 LBS
    CAM DRIVE TYPE:
    GEAR
    COMPRESSION RATIO IMPERIAL:
    10.8:1
    STYLE:
    BIG BORE
    TYPE:
    ENGINE
    DISPLACEMENT:
    124'
    PRODUCT NAME:
    PERFORMANCE KIT
    UNITS:
    KIT
    COLOR/FINISH:
    POWDER COATED
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.125'
    COLOR/FINISH:
    BLACK
    MODEL:
    HOT SET UP®
    STROKE LENGTH IMPERIAL:
    4.625'
    MSRP: $7,104.95
    Now: $6,394.46
    Was: $7,104.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $7,104.95
    Now: $6,394.46
    Was: $7,104.95
    Subtotal:
  • On Sale
    S&S CYCLE Sidewinder Kit - Natural 91-7660

    S&S CYCLE Sidewinder Kit - Natural 91-7660

    S&S CYCLE

    MSRP: $2,879.95
    Now: $2,591.96
    Was: $2,879.95
    The S&S Cycle Sidewinder Kit delivers the displacement and compression ratio serious Harley builders demand when pursuing maximum output from their platform. This is a complete engine rebuild...
    09031257
    SKU:
    09031257
    Availability:
    Ships Same Business Day
    Weight:
    74.20 LBS
    BORE SIZE IMPERIAL:
    3.625'
    COMPRESSION RATIO IMPERIAL:
    9.75:1
    DISPLACEMENT:
    96'
    COLOR/FINISH:
    NATURAL
    TYPE:
    ENGINE
    STROKE LENGTH IMPERIAL:
    4-5/8'
    STYLE:
    BIG BORE
    UNITS:
    KIT
    MODEL:
    SIDEWINDER
    PRODUCT NAME:
    PERFORMANCE KIT
    RIDING STYLE:
    STREET
    MSRP: $2,879.95
    Now: $2,591.96
    Was: $2,879.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,879.95
    Now: $2,591.96
    Was: $2,879.95
    Subtotal:
  • On Sale
    S&S CYCLE Sidewinder Kit - Black 91-7661

    S&S CYCLE Sidewinder Kit - Black 91-7661

    S&S CYCLE

    MSRP: $2,795.95
    Now: $2,516.36
    Was: $2,795.95
    The S&S Cycle Sidewinder Kit delivers serious displacement gains through a proven 3-5/8" bore design, giving you the cubic inches and horsepower needed to dominate on the track or street. This is a...
    09031258
    SKU:
    09031258
    Availability:
    Ships Same Business Day
    Weight:
    69.70 LBS
    BORE SIZE IMPERIAL:
    3.625'
    COMPRESSION RATIO IMPERIAL:
    9.75:1
    DISPLACEMENT:
    96'
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    STROKE LENGTH IMPERIAL:
    4-5/8'
    STYLE:
    BIG BORE
    PRODUCT NAME:
    PERFORMANCE KIT
    TYPE:
    ENGINE
    MODEL:
    SIDEWINDER
    RIDING STYLE:
    STREET
    MSRP: $2,795.95
    Now: $2,516.36
    Was: $2,795.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,795.95
    Now: $2,516.36
    Was: $2,795.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit - 1250 XL 920-0070

    S&S CYCLE Piston Kit - 1250 XL 920-0070

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're running a Big Twin and want legitimate displacement gains without a complete engine rebuild, the S&S Cycle 1250cc piston kit delivers a straightforward path to increased cubic inches and...
    09103554
    SKU:
    09103554
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit - 1250 XL 920-0071

    S&S CYCLE Piston Kit - 1250 XL 920-0071

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're running an 883 or early 1200cc Big Twin and want genuine displacement gains without sacrificing reliability, the S&S Cycle 1250cc piston kit delivers a straightforward path to increased...
    09103555
    SKU:
    09103555
    Availability:
    Ships Same Business Day
    Weight:
    2.55 LBS
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit - Standard 106-3491A

    S&S CYCLE Piston Kit - Standard 106-3491A

    S&S CYCLE

    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    Maintaining peak engine performance demands precision-engineered internal components that can withstand extreme combustion pressures and sustained RPM loads. The S&S Cycle Piston Kit delivers...
    09103657
    SKU:
    09103657
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    BORE SIZE IMPERIAL:
    4.125'
    DISPLACEMENT:
    111'
    DISPLACEMENT:
    124'
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    DISPLACEMENT:
    117'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PISTON MATERIAL:
    FORGED ALUMINUM
    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit - +.010 106-3872A

    S&S CYCLE Piston Kit - +.010 106-3872A

    S&S CYCLE

    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    When your engine demands more power and reliability, a quality piston kit is non-negotiable. The S&S Cycle +.010 Piston Kit delivers the precision-engineered internals needed for forced-induction...
    09103658
    SKU:
    09103658
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    BORE - OVERSIZE:
    +0,010'
    DISPLACEMENT:
    117'
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE IMPERIAL:
    4.125'
    DISPLACEMENT:
    111'
    DISPLACEMENT:
    124'
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    PISTON MATERIAL:
    FORGED ALUMINUM
    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit - +.020 106-3964A

    S&S CYCLE Piston Kit - +.020 106-3964A

    S&S CYCLE

    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    When you're rebuilding an engine or pushing your build to higher displacement, quality pistons are non-negotiable. This S&S Cycle piston kit delivers the precision and durability required for...
    09103659
    SKU:
    09103659
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    PISTON MATERIAL:
    FORGED ALUMINUM
    BORE SIZE IMPERIAL:
    4.125'
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    DISPLACEMENT:
    111'
    DISPLACEMENT:
    124'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE - OVERSIZE:
    +0,020'
    DISPLACEMENT:
    117'
    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $617.95
    Now: $556.16
    Was: $617.95
    Subtotal:
  • On Sale
    S&S CYCLE High Compression Piston Kit 920-0101

    S&S CYCLE High Compression Piston Kit 920-0101

    S&S CYCLE

    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    If you're serious about extracting maximum performance from your engine, this S&S Cycle High Compression Piston Kit delivers measurable power gains without compromising mid-range torque—a rare...
    09104524
    SKU:
    09104524
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Subtotal:
  • On Sale
    S&S CYCLE High Compression Piston Kit 920-0100

    S&S CYCLE High Compression Piston Kit 920-0100

    S&S CYCLE

    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    If you're looking to unlock genuine performance gains without sacrificing low-end torque, the S&S Cycle High Compression Piston Kit delivers measurable horsepower increases through engineered...
    09104526
    SKU:
    09104526
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 106-3688

    S&S CYCLE Piston Kit 106-3688

    S&S CYCLE

    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    If you're running a Big Twin and want measurable power gains without a complete engine rebuild, this S&S piston kit delivers a straightforward path to 1250cc displacement. The 10.3:1 compression...
    09104208
    SKU:
    09104208
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    COMPRESSION RATIO IMPERIAL:
    9.7:1
    STROKE LENGTH IMPERIAL:
    4'
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PISTON MATERIAL:
    FORGED
    BORE SIZE IMPERIAL:
    3.927'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    97'
    PISTON HEAD SHAPE:
    FLAT TOP
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 106-3690

    S&S CYCLE Piston Kit 106-3690

    S&S CYCLE

    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    If you're running a stock 883cc or 1200cc Big Twin, you're leaving significant power on the table. The S&S CYCLE Piston Kit 106-3690 bumps displacement to 1250cc while maintaining reliable 10.3:1...
    09104209
    SKU:
    09104209
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    BORE SIZE IMPERIAL:
    3.927'
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    106'
    PISTON HEAD SHAPE:
    FLAT TOP
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $514.95
    Now: $463.46
    Was: $514.95
    Subtotal:
  • On Sale
    S&S CYCLE High Compression Piston Kit 920-0114

    S&S CYCLE High Compression Piston Kit 920-0114

    S&S CYCLE

    MSRP: $521.95
    Now: $469.76
    Was: $521.95
    If you're running stock pistons, you're leaving power on the table. The S&S Cycle High Compression Piston Kit delivers measurable horsepower gains while preserving the torque curve your engine...
    09103979
    SKU:
    09103979
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    DISPLACEMENT:
    110'
    PISTON HEAD SHAPE:
    RAISED DOME
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    10.6:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.000'
    TYPE:
    HIGH COMPRESSION
    MSRP: $521.95
    Now: $469.76
    Was: $521.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $521.95
    Now: $469.76
    Was: $521.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 920-0027

    S&S CYCLE Piston Kit 920-0027

    S&S CYCLE

    MSRP: $169.95
    Now: $152.96
    Was: $169.95
    If you're running an 883cc or 1200cc Big Twin and want measurable power gains without a complete engine overhaul, this S&S piston kit delivers a straightforward displacement bump to 1250cc with a...
    09105260
    SKU:
    09105260
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE - OVERSIZE:
    +0,020'
    DISPLACEMENT:
    80'
    PISTON HEAD SHAPE:
    FLAT TOP
    TYPE:
    REPLACEMENT
    BORE SIZE IMPERIAL:
    3.500'
    PISTON MATERIAL:
    CAST
    STROKE LENGTH IMPERIAL:
    4-1/4'
    UNITS:
    KIT
    MSRP: $169.95
    Now: $152.96
    Was: $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $169.95
    Now: $152.96
    Was: $169.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 920-0015

    S&S CYCLE Piston Kit 920-0015

    S&S CYCLE

    MSRP: $169.95
    Now: $152.96
    Was: $169.95
    Building serious displacement on your Big Twin? The S&S CYCLE Piston Kit 920-0015 delivers a straightforward path to 1250cc without sacrificing reliability. By stepping up from stock bore dimensions,...
    09105261
    SKU:
    09105261
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    DISPLACEMENT:
    80'
    PISTON HEAD SHAPE:
    FLAT TOP
    TYPE:
    REPLACEMENT
    BORE SIZE IMPERIAL:
    3.500'
    PISTON MATERIAL:
    CAST
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-1/4'
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    MSRP: $169.95
    Now: $152.96
    Was: $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $169.95
    Now: $152.96
    Was: $169.95
    Subtotal:
  • On Sale
    S&S CYCLE Wrist Pin Circlips - 4 pack 106-2304

    S&S CYCLE Wrist Pin Circlips - 4 pack 106-2304

    S&S CYCLE

    MSRP: $7.95
    Now: $7.16
    Was: $7.95
    Wrist pin circlips are critical retention components that keep your piston pins securely seated during high-RPM operation. OEM or worn circlips can fail under load, leading to catastrophic engine...
    09105262
    SKU:
    09105262
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    CIRCLIP
    UNITS:
    4 PACK
    RIDING STYLE:
    STREET
    MSRP: $7.95
    Now: $7.16
    Was: $7.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $7.95
    Now: $7.16
    Was: $7.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 106-0432

    S&S CYCLE Piston Kit 106-0432

    S&S CYCLE

    MSRP: $481.95
    Now: $433.76
    Was: $481.95
    If you're running a Big Twin with stock displacement limits holding you back, the S&S CYCLE 1250cc piston kit unlocks meaningful power gains while maintaining reliability on the street or strip. This...
    09105020
    SKU:
    09105020
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    DISPLACEMENT:
    103'
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    STREET
    PISTON HEAD SHAPE:
    FLAT TOP
    TYPE:
    REPLACEMENT
    BORE SIZE IMPERIAL:
    3.875'
    PRODUCT NAME:
    PISTON KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    MSRP: $481.95
    Now: $433.76
    Was: $481.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $481.95
    Now: $433.76
    Was: $481.95
    Subtotal:
  • On Sale
    S&S CYCLE Race Bearing Set - Big Twin 34-4040

    S&S CYCLE Race Bearing Set - Big Twin 34-4040

    S&S CYCLE

    MSRP: $224.95
    Now: $202.46
    Was: $224.95
    If you're rebuilding Big Twin connecting rods, the quality of your bearing set directly impacts engine reliability and performance under load. S&S Cycle's Race Bearing Set delivers OEM-grade...
    09230207
    SKU:
    09230207
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    PRODUCT NAME:
    RACE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MATERIAL:
    STEEL
    TYPE:
    CONNECTING ROD
    MSRP: $224.95
    Now: $202.46
    Was: $224.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $224.95
    Now: $202.46
    Was: $224.95
    Subtotal:
  • On Sale
    S&S CYCLE Ring Set 940-0060

    S&S CYCLE Ring Set 940-0060

    S&S CYCLE

    MSRP: $168.95
    Now: $152.06
    Was: $168.95
    A quality ring set is fundamental to engine longevity and performance—it seals combustion pressure, controls oil consumption, and directly impacts horsepower delivery. The S&S CYCLE Ring Set 940-0060...
    09120923
    SKU:
    09120923
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    TYPE:
    PISTON
    UNITS:
    2 PACK
    BORE SIZE IMPERIAL:
    4.250'
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    STREET
    MSRP: $168.95
    Now: $152.06
    Was: $168.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $168.95
    Now: $152.06
    Was: $168.95
    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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER