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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 Oil Change Kit - M8 - Black Oil Filter S/B 162233-BLACK

    S&S CYCLE Oil Change Kit - M8 - Black Oil Filter S/B 162233-BLACK

    S&S CYCLE

    MSRP: $119.06
    Now: $107.15
    Was: $119.06
    A quality oil change is the foundation of engine longevity, and this S&S Cycle kit eliminates guesswork by bundling everything you need in one package. The premium synthetic formulation maintains...
    36010893
    SKU:
    36010893
    Availability:
    Ships Same Business Day
    Weight:
    10.90 LBS
    PACKAGING:
    SOLD BY CASE
    PRODUCT NAME:
    OIL CHANGE KIT
    TYPE:
    ENGINE
    CONTAINER SIZE METRIC:
    946 ML
    MODEL:
    M8
    OIL BASE:
    SYNTHETIC (FULL-SYNTHETIC)
    VISCOSITY (WEIGHT):
    20W-50
    APPLICATION:
    4-STROKE
    CONTAINER SIZE IMPERIAL:
    1 US QUART
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    MSRP: $119.06
    Now: $107.15
    Was: $119.06
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.06
    Now: $107.15
    Was: $119.06
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder Head Kit - Big Twin 90-1498

    S&S CYCLE Cylinder Head Kit - Big Twin 90-1498

    S&S CYCLE

    MSRP: $1,723.95
    Now: $1,551.56
    Was: $1,723.95
    S&S Cycle's cylinder head kit delivers the flow characteristics and durability demanded by serious Big Twin builders. Whether you're increasing displacement, optimizing combustion chamber design, or...
    09300009
    SKU:
    09300009
    Availability:
    Ships Same Business Day
    Weight:
    25.35 LBS
    COLOR/FINISH:
    ALUMINUM
    MATERIAL:
    ALUMINUM
    MODEL:
    SUPER STOCK
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.500'
    FEATURES:
    SINGLE SPARK PLUG
    PRODUCT NAME:
    CYLINDER HEAD KIT
    STYLE:
    STOCK COMPRESSION
    UNITS:
    KIT
    MSRP: $1,723.95
    Now: $1,551.56
    Was: $1,723.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,723.95
    Now: $1,551.56
    Was: $1,723.95
    Subtotal:
  • On Sale
     S&S CYCLE El Dorado Dual Exhaust System - Chrome - Black Tracer 550-0678B  S&S CYCLE El Dorado Dual Exhaust System - Chrome - Black Tracer 550-0678B

    S&S CYCLE El Dorado Dual Exhaust System - Chrome - Black Tracer 550-0678B

    S&S CYCLE

    MSRP: $1,799.95
    Now: $1,619.96
    Was: $1,799.95
    If you're running a stock exhaust on your cruiser, you're leaving horsepower and torque on the table. The S&S Cycle El Dorado Dual Exhaust System delivers measurable performance gains while...
    18002524
    SKU:
    18002524
    Availability:
    Ships Same Business Day
    Weight:
    56.20 LBS
    MSRP: $1,799.95
    Now: $1,619.96
    Was: $1,799.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,799.95
    Now: $1,619.96
    Was: $1,799.95
    Subtotal:
  • On Sale
     S&S CYCLE El Dorado Dual Exhaust System - Black - Machined Black Tracer 550-0680B  S&S CYCLE El Dorado Dual Exhaust System - Black - Machined Black Tracer 550-0680B

    S&S CYCLE El Dorado Dual Exhaust System - Black - Machined Black Tracer 550-0680B

    S&S CYCLE

    MSRP: $1,799.95
    Now: $1,619.96
    Was: $1,799.95
    If you're running a cruiser that demands more power without sacrificing rideability, the S&S Cycle El Dorado Dual Exhaust System delivers measurable gains in both horsepower and torque across the...
    18002526
    SKU:
    18002526
    Availability:
    Ships Same Business Day
    Weight:
    56.25 LBS
    MSRP: $1,799.95
    Now: $1,619.96
    Was: $1,799.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,799.95
    Now: $1,619.96
    Was: $1,799.95
    Subtotal:
  • On Sale
     S&S CYCLE Insulator Block with O-Ring - Super E - 1-7/8" x 3/8" 16-0497

    S&S CYCLE Insulator Block with O-Ring - Super E - 1-7/8" x 3/8" 16-0497

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Thermal management is critical in high-performance engines, and carburetor heat soak can rob you of consistent tuning and reliability. The S&S Cycle Insulator Block with O-Ring isolates your Super E...
    10500360
    SKU:
    10500360
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    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 Viton O-Ring 50-8046

    S&S CYCLE Viton O-Ring 50-8046

    S&S CYCLE

    MSRP: $9.95
    Now: $8.96
    Was: $9.95
    Carburetor sealing integrity is non-negotiable when you're dialing in air-fuel mixture on a precision engine. The S&S Cycle Viton O-Ring 50-8046 is the OEM-grade replacement that ensures a leak-free...
    10500343
    SKU:
    10500343
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    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 Teardrop Air Cleaner Cover - Gloss Black 170-0384A

    S&S CYCLE Teardrop Air Cleaner Cover - Gloss Black 170-0384A

    S&S CYCLE

    MSRP: $195.95
    Now: $176.36
    Was: $195.95
    If you're running a Super E or G carb setup, the air cleaner cover is more than just cosmetics—it's a critical component that protects your intake from debris while maintaining proper airflow...
    10140237
    SKU:
    10140237
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    MSRP: $195.95
    Now: $176.36
    Was: $195.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $195.95
    Now: $176.36
    Was: $195.95
    Subtotal:
  • On Sale
     S&S CYCLE Top End Kit - Big Twin 90-0097

    S&S CYCLE Top End Kit - Big Twin 90-0097

    S&S CYCLE

    MSRP: $3,659.95
    Now: $3,293.96
    Was: $3,659.95
    A top-end rebuild is one of the most cost-effective ways to restore lost compression and reclaim performance in a Big Twin engine. The S&S Cycle Top End Kit eliminates guesswork by bundling...
    09031269
    SKU:
    09031269
    Availability:
    Ships Same Business Day
    Weight:
    61.50 LBS
    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 Pinion Gear - Standard - M8 330-0622

    S&S CYCLE Pinion Gear - Standard - M8 330-0622

    S&S CYCLE

    MSRP: $131.95
    Now: $118.76
    Was: $131.95
    If you're upgrading to a gear-driven cam system on your M8 Harley-Davidson, you'll need a properly matched pinion gear to ensure reliable valve train operation and correct gear lash. This S&S Cycle...
    09500864
    SKU:
    09500864
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MSRP: $131.95
    Now: $118.76
    Was: $131.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $131.95
    Now: $118.76
    Was: $131.95
    Subtotal:
  • On Sale
     S&S CYCLE Silicone O-Ring - 50-8009 50-8009

    S&S CYCLE Silicone O-Ring - 50-8009 50-8009

    S&S CYCLE

    MSRP: $6.95
    Now: $6.26
    Was: $6.95
    Carburetor sealing integrity is critical to consistent fuel delivery and engine performance, and a worn or degraded o-ring compromises both. The S&S Cycle 50-8009 silicone o-ring is engineered to...
    09350864
    SKU:
    09350864
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    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 Flywheel Assembly 320-0598

    S&S CYCLE Flywheel Assembly 320-0598

    S&S CYCLE

    MSRP: $1,995.95
    Now: $1,796.36
    Was: $1,995.95
    A flywheel assembly is the foundation of reliable engine performance—it stores rotational energy, ensures smooth power delivery, and directly impacts your engine's longevity. S&S Cycle's 320-0598 is...
    09220163
    SKU:
    09220163
    Availability:
    Ships Same Business Day
    Weight:
    43.50 LBS
    MSRP: $1,995.95
    Now: $1,796.36
    Was: $1,995.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,995.95
    Now: $1,796.36
    Was: $1,995.95
    Subtotal:
  • On Sale
     S&S CYCLE Tuned Induction Air Cleaner Kit - Chrome 170-0566A

    S&S CYCLE Tuned Induction Air Cleaner Kit - Chrome 170-0566A

    S&S CYCLE

    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    If you're serious about extracting maximum power from your engine, intake airflow is non-negotiable. The S&S CYCLE Tuned Induction Air Cleaner Kit leverages air column inertia and dynamic pressure...
    10102880
    SKU:
    10102880
    Availability:
    Ships Same Business Day
    Weight:
    4.55 LBS
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Subtotal:
  • On Sale
     S&S CYCLE Tuned Induction Air Cleaner Kit - Gloss Black 170-0567A  S&S CYCLE Tuned Induction Air Cleaner Kit - Gloss Black 170-0567A

    S&S CYCLE Tuned Induction Air Cleaner Kit - Gloss Black 170-0567A

    S&S CYCLE

    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    A stock air intake system restricts your engine's breathing potential, leaving measurable horsepower and torque on the table across the entire RPM band. The S&S Cycle Tuned Induction Air Cleaner Kit...
    10102881
    SKU:
    10102881
    Availability:
    Ships Same Business Day
    Weight:
    4.85 LBS
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Subtotal:
  • On Sale
     S&S CYCLE Tuned Induction Air Cleaner Kit - Stainless Steel 170-0635A

    S&S CYCLE Tuned Induction Air Cleaner Kit - Stainless Steel 170-0635A

    S&S CYCLE

    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    If you're running a performance engine, your intake system is either helping or holding you back. The S&S CYCLE Tuned Induction Air Cleaner Kit leverages air column inertia and precisely calculated...
    10102882
    SKU:
    10102882
    Availability:
    Ships Same Business Day
    Weight:
    4.90 LBS
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Subtotal:
  • On Sale
     S&S CYCLE Tuned Induction Air Cleaner Kit - Chrome 170-0636A  S&S CYCLE Tuned Induction Air Cleaner Kit - Chrome 170-0636A

    S&S CYCLE Tuned Induction Air Cleaner Kit - Chrome 170-0636A

    S&S CYCLE

    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    If you're serious about extracting every bit of performance from your engine, intake design matters just as much as fuel delivery. The S&S CYCLE Tuned Induction Air Cleaner Kit leverages gas dynamic...
    10102883
    SKU:
    10102883
    Availability:
    Ships Same Business Day
    Weight:
    5.25 LBS
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Subtotal:
  • On Sale
     S&S CYCLE Tuned Induction Air Cleaner Kit - Gloss Black 170-0637A

    S&S CYCLE Tuned Induction Air Cleaner Kit - Gloss Black 170-0637A

    S&S CYCLE

    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Restrictive stock intake systems rob your engine of breathing room and leave horsepower on the table. The S&S CYCLE Tuned Induction Air Cleaner Kit leverages air column inertia and gas dynamic...
    10102884
    SKU:
    10102884
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Subtotal:
  • On Sale
     S&S CYCLE Big Bore Kit 920-0144

    S&S CYCLE Big Bore Kit 920-0144

    S&S CYCLE

    MSRP: $896.95
    Now: $807.26
    Was: $896.95
    If you're serious about closed-course competition, displacement is power. The S&S Cycle Big Bore Kit delivers measurable horsepower and torque gains by increasing your engine's swept volume and...
    09040085
    SKU:
    09040085
    Availability:
    Ships Same Business Day
    Weight:
    9.10 LBS
    MSRP: $896.95
    Now: $807.26
    Was: $896.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $896.95
    Now: $807.26
    Was: $896.95
    Subtotal:
  • On Sale
     S&S CYCLE Tuned Induction Air Cleaner Kit - Stainless Steel 170-0565A  S&S CYCLE Tuned Induction Air Cleaner Kit - Stainless Steel 170-0565A

    S&S CYCLE Tuned Induction Air Cleaner Kit - Stainless Steel 170-0565A

    S&S CYCLE

    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    The S&S CYCLE Tuned Induction Air Cleaner Kit delivers measurable gains in horsepower and torque by optimizing how air enters your engine. Using precision-tuned intake tract geometry and air column...
    10102885
    SKU:
    10102885
    Availability:
    Ships Same Business Day
    Weight:
    4.50 LBS
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $595.95
    Now: $536.36
    Was: $595.95
    Subtotal:
  • On Sale
     S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1011

    S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1011

    S&S CYCLE

    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    If you're running an exhaust system that sounds generic and performs like stock, you're leaving both horsepower and character on the table. The S&S Cycle MK45 Cutlass Performance Mufflers deliver a...
    18011494
    SKU:
    18011494
    Availability:
    Ships Same Business Day
    Weight:
    26.55 LBS
    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    Subtotal:
  • On Sale
     S&S CYCLE 4-1/2" Black MK45 Cutlass Performance Mufflers 550-1016

    S&S CYCLE 4-1/2" Black MK45 Cutlass Performance Mufflers 550-1016

    S&S CYCLE

    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    If you're running a cruiser or touring bike and want serious presence without sacrificing street legality, the S&S Cycle MK45 Cutlass delivers a commanding exhaust note that turns heads while keeping...
    18011495
    SKU:
    18011495
    Availability:
    Ships Same Business Day
    Weight:
    26.85 LBS
    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    Subtotal:
  • On Sale
     S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1017

    S&S CYCLE 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1017

    S&S CYCLE

    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    If you're running a cruiser or touring bike and want authentic engine character without sacrificing street legality, the S&S Cycle MK45 Cutlass delivers the deep, aggressive sound profile serious...
    18011496
    SKU:
    18011496
    Availability:
    Ships Same Business Day
    Weight:
    26.85 LBS
    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $819.95
    Now: $737.96
    Was: $819.95
    Subtotal:
  • On Sale
     S&S CYCLE Bolt Kit - Pinion and Camshaft - Big Twin | M8 500-1910

    S&S CYCLE Bolt Kit - Pinion and Camshaft - Big Twin | M8 500-1910

    S&S CYCLE

    MSRP: $37.95
    Now: $34.16
    Was: $37.95
    Pinion and camshaft bolts endure extreme rotational forces and thermal cycling in Big Twin engines—factory fasteners often fail under sustained high-RPM operation. S&S Cycle's purpose-built bolt kit...
    09251614
    SKU:
    09251614
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    MSRP: $37.95
    Now: $34.16
    Was: $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $37.95
    Now: $34.16
    Was: $37.95
    Subtotal:
  • On Sale
     S&S CYCLE 2-into-1 Diamondback Exhaust System - Stainless Steel - 50-State 550-0999A

    S&S CYCLE 2-into-1 Diamondback Exhaust System - Stainless Steel - 50-State 550-0999A

    S&S CYCLE

    MSRP: $1,769.95
    Now: $1,592.96
    Was: $1,769.95
    If you're running an M-Eight and want to unlock real power gains without compromise, a quality 2-into-1 system is one of the highest-impact modifications you can make. The S&S Cycle Diamondback...
    18002542
    SKU:
    18002542
    Availability:
    Ships Same Business Day
    Weight:
    26.00 LBS
    MSRP: $1,769.95
    Now: $1,592.96
    Was: $1,769.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,769.95
    Now: $1,592.96
    Was: $1,769.95
    Subtotal:
  • On Sale
     S&S CYCLE 2-into-1 Diamondback Exhaust System - Guardian Black - 50-State 550-1027A

    S&S CYCLE 2-into-1 Diamondback Exhaust System - Guardian Black - 50-State 550-1027A

    S&S CYCLE

    MSRP: $1,769.95
    Now: $1,592.96
    Was: $1,769.95
    If you're running an M-Eight and want measurable power gains without sacrificing street legality, this 2-into-1 system delivers. The oversized stepped primaries optimize scavenging across the RPM...
    18002544
    SKU:
    18002544
    Availability:
    Ships Same Business Day
    Weight:
    26.10 LBS
    MSRP: $1,769.95
    Now: $1,592.96
    Was: $1,769.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,769.95
    Now: $1,592.96
    Was: $1,769.95
    Subtotal:
  • On Sale
     S&S CYCLE 2-into-1 Diamondback Exhaust System - Guardian Black - Race Only 550-1028

    S&S CYCLE 2-into-1 Diamondback Exhaust System - Guardian Black - Race Only 550-1028

    S&S CYCLE

    MSRP: $1,338.95
    Now: $1,205.06
    Was: $1,338.95
    If you're running an M-Eight and serious about extracting peak horsepower, your exhaust system is non-negotiable. The S&S Cycle Diamondback 2-into-1 delivers the flow characteristics and header...
    18002545
    SKU:
    18002545
    Availability:
    Ships Same Business Day
    Weight:
    24.80 LBS
    MSRP: $1,338.95
    Now: $1,205.06
    Was: $1,338.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,338.95
    Now: $1,205.06
    Was: $1,338.95
    Subtotal:
  • On Sale
     S&S CYCLE 50 State 2:1 Sidewinder Exhaust - Chrome 550-0771B

    S&S CYCLE 50 State 2:1 Sidewinder Exhaust - Chrome 550-0771B

    S&S CYCLE

    MSRP: $1,549.95
    Now: $1,394.96
    Was: $1,549.95
    The S&S Cycle 50 State 2:1 Sidewinder exhaust delivers measurable gains in power and torque while meeting emissions standards across all 50 states—no tuning workarounds required. If you're looking...
    18002548
    SKU:
    18002548
    Availability:
    Ships Same Business Day
    Weight:
    35.75 LBS
    MSRP: $1,549.95
    Now: $1,394.96
    Was: $1,549.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,549.95
    Now: $1,394.96
    Was: $1,549.95
    Subtotal:
  • On Sale
     S&S CYCLE 50 State 2:1 Sidewinder Exhaust - Black 550-0772B

    S&S CYCLE 50 State 2:1 Sidewinder Exhaust - Black 550-0772B

    S&S CYCLE

    MSRP: $1,675.95
    Now: $1,508.36
    Was: $1,675.95
    If you're running a Harley-Davidson and want measurable gains in power and torque without compromising emissions compliance, the S&S Cycle 50 State 2:1 Sidewinder is engineered to deliver both. This...
    18002549
    SKU:
    18002549
    Availability:
    Ships Same Business Day
    Weight:
    36.00 LBS
    MSRP: $1,675.95
    Now: $1,508.36
    Was: $1,675.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,675.95
    Now: $1,508.36
    Was: $1,675.95
    Subtotal:
  • On Sale
     S&S CYCLE Pushrod Cover Keeper Set - Chrome - 2.200" 930-0129

    S&S CYCLE Pushrod Cover Keeper Set - Chrome - 2.200" 930-0129

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Custom engine builds often require pushrod cover hardware that extends beyond stock specifications—this S&S Cycle Pushrod Cover Keeper Set delivers the solution. When your engine's geometry demands...
    09280121
    SKU:
    09280121
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    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 Pushrod Cover Kit - Chrome 106-1340  S&S CYCLE Pushrod Cover Kit - Chrome 106-1340

    S&S CYCLE Pushrod Cover Kit - Chrome 106-1340

    S&S CYCLE

    MSRP: $193.95
    Now: $174.56
    Was: $193.95
    Keeping your pushrod covers clean and protected is essential for maintaining your engine's appearance and preventing debris accumulation that can affect performance. The S&S Cycle Pushrod Cover Kit...
    09280122
    SKU:
    09280122
    Availability:
    Ships Same Business Day
    Weight:
    0.71 LBS
    MSRP: $193.95
    Now: $174.56
    Was: $193.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $193.95
    Now: $174.56
    Was: $193.95
    Subtotal:
  • On Sale
     S&S CYCLE 129" Big Bore Cylinder Kit - Black - M8 910-0844

    S&S CYCLE 129" Big Bore Cylinder Kit - Black - M8 910-0844

    S&S CYCLE

    MSRP: $1,599.95
    Now: $1,439.96
    Was: $1,599.95
    A 129" big bore displacement upgrade delivers the additional cubic inches your M8 engine needs to generate serious power gains without the hassle of a complete engine rebuild. S&S Cycle's bolt-on...
    09311080
    SKU:
    09311080
    Availability:
    Ships Same Business Day
    Weight:
    28.51 LBS
    MSRP: $1,599.95
    Now: $1,439.96
    Was: $1,599.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,599.95
    Now: $1,439.96
    Was: $1,599.95
    Subtotal:
  • On Sale
     S&S CYCLE Replacement Air Filter - Red - Tuned Induction Air Cleaners 170-0559

    S&S CYCLE Replacement Air Filter - Red - Tuned Induction Air Cleaners 170-0559

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Air filter efficiency directly impacts your engine's breathing ability and overall performance output. The S&S Cycle Replacement Air Filter delivers unrestricted airflow while maintaining superior...
    10114631
    SKU:
    10114631
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    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 Grand National Slip-On Exhaust 550-1072  S&S CYCLE Grand National Slip-On Exhaust 550-1072

    S&S CYCLE Grand National Slip-On Exhaust 550-1072

    S&S CYCLE

    MSRP: $382.95
    Now: $344.66
    Was: $382.95
    If you're running a high-performance build that demands both aggressive sound and measurable power gains, the S&S Cycle Grand National Slip-On delivers the exhaust system you need without...
    18114298
    SKU:
    18114298
    Availability:
    Ships Same Business Day
    Weight:
    5.40 LBS
    MSRP: $382.95
    Now: $344.66
    Was: $382.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $382.95
    Now: $344.66
    Was: $382.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome Ring 170-0714A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome Ring 170-0714A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome Ring 170-0714A

    S&S CYCLE

    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Restricted airflow is one of the quickest ways to leave performance on the table. The S&S Cycle Air Stinger Stealth Air Cleaner Kit breaks that bottleneck with a 55% larger filter surface area,...
    10102958
    SKU:
    10102958
    Availability:
    Ships Same Business Day
    Weight:
    2.40 LBS
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome Ring 170-0715A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome Ring 170-0715A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome Ring 170-0715A

    S&S CYCLE

    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    If you're running a Harley with a stock or basic air cleaner, you're leaving performance on the table. The S&S Cycle Air Stinger Stealth replaces restrictive factory designs with a high-flow filter...
    10102959
    SKU:
    10102959
    Availability:
    Ships Same Business Day
    Weight:
    2.90 LBS
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black Chrome Ring 170-0716A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black Chrome Ring 170-0716A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black Chrome Ring 170-0716A

    S&S CYCLE

    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Stock air cleaners restrict airflow and leave performance on the table. The S&S Cycle Air Stinger Stealth replaces the factory air smoothing stinger with a high-flow filter element, delivering 55%...
    10102960
    SKU:
    10102960
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $249.95
    Now: $224.96
    Was: $249.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0717A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0717A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0717A

    S&S CYCLE

    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    If you're running a Stealth air cleaner system, your engine is only as strong as its ability to breathe. This Air Stinger kit delivers a 55% increase in filter surface area, meaning better airflow,...
    10102961
    SKU:
    10102961
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black 170-0718A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black 170-0718A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black 170-0718A

    S&S CYCLE

    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Restrictive factory air filters choke your engine's potential and demand frequent replacement. The S&S Cycle Air Stinger Stealth Air Cleaner Kit delivers a 55% increase in filter surface area,...
    10102962
    SKU:
    10102962
    Availability:
    Ships Same Business Day
    Weight:
    2.60 LBS
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0719A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0719A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0719A

    S&S CYCLE

    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Intake restriction is one of the easiest performance losses to address, and the S&S Cycle Air Stinger Stealth delivers measurable gains with a simple bolt-on installation. By replacing the factory...
    10102963
    SKU:
    10102963
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black 170-0720A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black 170-0720A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Black 170-0720A

    S&S CYCLE

    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Stock air cleaners create unnecessary restrictions that rob your engine of peak breathing efficiency. The S&S Cycle Air Stinger Stealth replaces the factory stinger with a high-flow filter element,...
    10102964
    SKU:
    10102964
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Subtotal:
  • On Sale
    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0721A S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0721A

    S&S CYCLE Air Stinger Stealth Air Cleaner Kit - Chrome 170-0721A

    S&S CYCLE

    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    If you're running a stock air cleaner on your Harley, you're leaving horsepower and throttle response on the table. The S&S Cycle Air Stinger Stealth replaces the factory air smoothing stinger with a...
    10102965
    SKU:
    10102965
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $395.95
    Now: $356.36
    Was: $395.95
    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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