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 Insert Power Tune 550-1661
S&S CYCLE
MSRP: $25.95Now: $23.36Was: $25.95The S&S Cycle Insert Power Tune 550-1661 delivers measurable gains in power and torque output while giving you direct control over engine tone and character—all without requiring extensive engine...18602160- SKU:
- 18602160
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1-1/2'
- TYPE:
- MUFFLER
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- MATERIAL:
- 304 STAINLESS STEEL
- MODEL:
- POWER TUNE® XTO
- PRODUCT NAME:
- INSERT
- STYLE:
- UNPLUGGED
MSRP: $25.95Now: $23.36Was: $25.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1662
S&S CYCLE
MSRP: $25.95Now: $23.36Was: $25.95The S&S Cycle Insert Power Tune 550-1662 delivers measurable gains in engine power and torque without requiring extensive engine modifications or dyno tuning. This bolt-on insert gives you precise...18602161- SKU:
- 18602161
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MODEL:
- POWER TUNE® XTO
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- UTV
- MATERIAL:
- 304 STAINLESS STEEL
- OUTSIDE DIAMETER IMPERIAL:
- 1-5/8'
- STYLE:
- UNPLUGGED
- TYPE:
- MUFFLER
- UNITS:
- EACH
MSRP: $25.95Now: $23.36Was: $25.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1663
S&S CYCLE
MSRP: $25.95Now: $23.36Was: $25.95The S&S Cycle Insert Power Tune 550-1663 delivers precise engine tuning without requiring extensive ECU remapping or expensive dyno sessions. This insert-based solution lets you optimize power...18602162- SKU:
- 18602162
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- OUTSIDE DIAMETER IMPERIAL:
- 1-3/4'
- MODEL:
- POWER TUNE® XTO
- PRODUCT NAME:
- INSERT
- RIDING STYLE:
- UTV
- MATERIAL:
- 304 STAINLESS STEEL
- STYLE:
- UNPLUGGED
- TYPE:
- MUFFLER
- UNITS:
- EACH
MSRP: $25.95Now: $23.36Was: $25.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1664
S&S CYCLE
MSRP: $21.95Now: $17.96Was: $21.95The S&S Cycle Insert Power Tune 550-1664 delivers measurable gains in power and torque output while giving you precise control over engine tone and character. Whether you're fine-tuning a stock...18602163- SKU:
- 18602163
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MATERIAL:
- 304 STAINLESS STEEL
- TYPE:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- POWER TUNE® XTO
- PRODUCT NAME:
- INSERT
- STYLE:
- UNPLUGGED
- OUTSIDE DIAMETER IMPERIAL:
- 1-7/8'
- RIDING STYLE:
- UTV
MSRP: $21.95Now: $17.96Was: $21.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1665
S&S CYCLE
MSRP: $25.95Now: $23.36Was: $25.95The S&S Cycle Insert Power Tune 550-1665 delivers measurable gains in both power and torque output while giving you precise control over engine tone and acoustics. If you're looking to optimize...18602164- SKU:
- 18602164
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- UTV
- MODEL:
- POWER TUNE® XTO
- PRODUCT NAME:
- INSERT
- MATERIAL:
- 304 STAINLESS STEEL
- OUTSIDE DIAMETER IMPERIAL:
- 2'
- STYLE:
- UNPLUGGED
- TYPE:
- MUFFLER
- UNITS:
- EACH
MSRP: $25.95Now: $23.36Was: $25.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1666
S&S CYCLE
MSRP: $35.95Now: $32.36Was: $35.95Fine-tune your engine's power delivery and exhaust character without compromising reliability or requiring extensive fabrication. The S&S CYCLE Insert Power Tune gives you precise control over both...18602165- SKU:
- 18602165
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- UTV
- MATERIAL:
- 304 STAINLESS STEEL
- MODEL:
- POWER TUNE® XTO
- OUTSIDE DIAMETER IMPERIAL:
- 2-1/4'
- PRODUCT NAME:
- INSERT
- STYLE:
- UNPLUGGED
- TYPE:
- MUFFLER
- UNITS:
- EACH
MSRP: $35.95Now: $32.36Was: $35.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1667
S&S CYCLE
MSRP: $29.95Now: $26.96Was: $29.95The S&S Cycle Insert Power Tune delivers measurable gains in both power and torque without requiring extensive engine modifications or dyno tuning. This bolt-on solution gives you direct control over...18602166- SKU:
- 18602166
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MATERIAL:
- 304 STAINLESS STEEL
- MODEL:
- POWER TUNE® XTO
- PRODUCT NAME:
- INSERT
- TYPE:
- MUFFLER
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 1-3/4'
- RIDING STYLE:
- UTV
- STYLE:
- PLUGGED
MSRP: $29.95Now: $26.96Was: $29.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1668
S&S CYCLE
MSRP: $39.95Now: $10.76Was: $39.95The S&S Cycle Insert Power Tune 550-1668 gives you precise control over your engine's performance curve and exhaust character without requiring a full ECU remap or expensive dyno tuning. This bolt-on...18602167- SKU:
- 18602167
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- RIDING STYLE:
- UTV
- STYLE:
- FRONT
- STYLE:
- PLUGGED
- MATERIAL:
- 304 STAINLESS STEEL
- TYPE:
- MUFFLER
- UNITS:
- EACH
- MODEL:
- POWER TUNE® XTO
- OUTSIDE DIAMETER IMPERIAL:
- 1-3/4'
- PRODUCT NAME:
- INSERT
MSRP: $39.95Now: $10.76Was: $39.95 -
On Sale
S&S CYCLE Insert Power Tune 550-1669
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95If you're running an S&S engine and want to unlock measurable power gains without a complete tune-up overhaul, the S&S CYCLE Insert Power Tune delivers straightforward bolt-on performance. This...18602168- SKU:
- 18602168
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MATERIAL:
- 304 STAINLESS STEEL
- MODEL:
- POWER TUNE® XTO
- RIDING STYLE:
- UTV
- STYLE:
- PLUGGED
- TYPE:
- MUFFLER
- UNITS:
- EACH
- OUTSIDE DIAMETER IMPERIAL:
- 1-3/4'
- PRODUCT NAME:
- INSERT
- STYLE:
- REAR
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Muffler - 49 State 550-1035
S&S CYCLE
MSRP: $1,176.95Now: $1,059.26Was: $1,176.95The S&S CYCLE Power Tune® XTO Muffler delivers measurable gains in power and torque while giving you real control over your exhaust note through tunable inserts—no dyno visits or expensive re-tuning...18310988- SKU:
- 18310988
- Availability:
- Ships Same Business Day
- Weight:
- 32.90 LBS
- MATERIAL:
- 304 STAINLESS STEEL
- MODEL:
- POWER TUNE® XTO
- RIDING STYLE:
- UTV
- STYLE:
- DUAL
- PRODUCT NAME:
- MUFFLER
- UNITS:
- EACH
MSRP: $1,176.95Now: $1,059.26Was: $1,176.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Muffler - 49 State 550-1036
S&S CYCLE
MSRP: $1,176.95Now: $1,059.26Was: $1,176.95If you're running a Harley-Davidson or other cruiser and want real power gains without sacrificing sound quality, the S&S Cycle Power Tune® XTO Muffler delivers both. The tunable insert system lets...18310989- SKU:
- 18310989
- Availability:
- Ships Same Business Day
- Weight:
- 40.00 LBS
- PRODUCT NAME:
- MUFFLER
- MATERIAL:
- 304 STAINLESS STEEL
- MODEL:
- POWER TUNE® XTO
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- STYLE:
- DUAL
MSRP: $1,176.95Now: $1,059.26Was: $1,176.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Muffler - 49 State 550-1037
S&S CYCLE
MSRP: $1,176.95Now: $1,059.26Was: $1,176.95If you're running a tuned Harley-Davidson and want genuine performance gains without sacrificing sound quality, the S&S CYCLE Power Tune® XTO Muffler delivers both. The tunable inserts let you dial...18310990- SKU:
- 18310990
- Availability:
- Ships Same Business Day
- Weight:
- 44.00 LBS
- MATERIAL:
- 304 STAINLESS STEEL
- STYLE:
- DUAL
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- MUFFLER
- MODEL:
- POWER TUNE® XTO
MSRP: $1,176.95Now: $1,059.26Was: $1,176.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Muffler - 49 State 550-1038
S&S CYCLE
MSRP: $1,285.95Now: $1,157.36Was: $1,285.95If you're running a high-performance motorcycle and want real power gains without sacrificing usability, the S&S Cycle Power Tune® XTO Muffler delivers measurable improvements in horsepower and...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: $1,285.95Now: $1,157.36Was: $1,285.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Race Muffler 550-1040
S&S CYCLE
MSRP: $999.95Now: $899.96Was: $999.95If you're looking to unlock real power gains on your ride while maintaining precise control over exhaust tone, the S&S CYCLE Power Tune® XTO Race Muffler delivers both. The tunable insert system lets...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: $999.95Now: $899.96Was: $999.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Race Muffler 550-1041
S&S CYCLE
MSRP: $999.95Now: $899.96Was: $999.95If you're serious about extracting peak performance from your engine while maintaining precise control over exhaust tone, the S&S CYCLE Power Tune® XTO Race Muffler delivers tunable power gains...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: $999.95Now: $899.96Was: $999.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Race Muffler 550-1042
S&S CYCLE
MSRP: $999.95Now: $899.96Was: $999.95The S&S CYCLE Power Tune® XTO Race Muffler delivers adjustable performance without compromising sound quality or power output. Its tunable inserts let you dial in the exact acoustic signature and...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: $999.95Now: $899.96Was: $999.95 -
On Sale
S&S CYCLE Power Tune‚® XTO Race Muffler 550-1043
S&S CYCLE
MSRP: $999.95Now: $899.96Was: $999.95If you're serious about maximizing power and torque while maintaining precise control over your exhaust tone, the S&S Cycle Power Tune® XTO Race Muffler delivers both performance gains and...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: $999.95Now: $899.96Was: $999.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Chrome with Black Thruster 550-0619
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95If you're running a Harley touring bike and want genuine performance gains paired with a signature exhaust note, the S&S Cycle 4.5" Mufflers deliver the deep rumble and measurable horsepower and...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: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Black with Black Thruster 550-0621
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95If you're running a touring setup but refuse to sacrifice performance for comfort, the S&S Cycle 4.5" Mufflers deliver the deep, commanding exhaust note you want while extracting measurable...18010849- SKU:
- 18010849
- Availability:
- Ships Same Business Day
- Weight:
- 31.00 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE 4.5" Mufflers - Chrome with Chrome Tracer 550-0624
S&S CYCLE
MSRP: $819.95Now: $737.96Was: $819.95If you're running a touring bike and want measurable improvements in power delivery without sacrificing durability, the S&S Cycle 4.5" Mufflers deliver. The dual-chamber design—combining a stainless...18010850- SKU:
- 18010850
- Availability:
- Ships Same Business Day
- Weight:
- 29.50 LBS
MSRP: $819.95Now: $737.96Was: $819.95 -
On Sale
S&S CYCLE Super B Carburetor Rebuild Kit 11-2903
S&S CYCLE
MSRP: $61.95Now: $55.76Was: $61.95A carburetor rebuild kit is essential maintenance for keeping your S&S Cycle engine running at peak performance. Over time, fuel varnish and debris accumulate in the jets, passages, and...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: $61.95Now: $55.76Was: $61.95 -
On Sale
S&S CYCLE Super G Master Rebuild Kit 11-2924
S&S CYCLE
MSRP: $112.95Now: $101.66Was: $112.95Carburetor performance directly impacts throttle response, fuel atomization, and overall engine efficiency—and wear on internal components compounds these issues over time. The S&S Cycle Super G...112924- SKU:
- 112924
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- MODEL:
- SUPER G
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
MSRP: $112.95Now: $101.66Was: $112.95Qty in Cart: 0Quantity:Price:MSRP: $112.95Now: $101.66Was: $112.95Subtotal: -
On Sale
S&S CYCLE Reducer - 1/2"-13 to 5/16"-18 50-8151
S&S CYCLE
MSRP: $11.95Now: $10.76Was: $11.95If you're installing S&S Cycle components that require 5/16"-18 threading into a motor with 1/2"-13 holes, this reducer is essential for proper fitment and secure installation. This...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: $11.95Now: $10.76Was: $11.95 -
On Sale
S&S CYCLE Top End Gasket Kit 90-9500
S&S CYCLE
MSRP: $203.95Now: $183.56Was: $203.95A quality top-end gasket kit is non-negotiable for maintaining compression integrity and preventing oil leakage in high-performance engines. The S&S Cycle 90-9500 delivers OEM-grade sealing across...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: $203.95Now: $183.56Was: $203.95Qty in Cart: 0Quantity:Price:MSRP: $203.95Now: $183.56Was: $203.95Subtotal: -
On Sale
S&S CYCLE Top End Gasket Kit - 3-5/8" 90-9501
S&S CYCLE
MSRP: $205.95Now: $185.36Was: $205.95A properly sealed top end is non-negotiable for maintaining compression and preventing oil weeping on high-performance engines. The S&S Cycle Top End Gasket Kit ensures critical sealing surfaces stay...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: $205.95Now: $185.36Was: $205.95 -
On Sale
S&S CYCLE Top End Gasket - 3-5/8" - Big Twin 90-9502
S&S CYCLE
MSRP: $102.95Now: $92.66Was: $102.95A top-end gasket kit is essential for maintaining proper sealing and compression in your Big Twin engine—any failure here directly impacts performance and reliability. The S&S CYCLE Top End Gasket...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: $102.95Now: $92.66Was: $102.95 -
On Sale
S&S CYCLE Top End Gasket - 4" - Big Twin 90-9503
S&S CYCLE
MSRP: $94.95Now: $85.46Was: $94.95A properly sealed top end is foundational to engine reliability and performance—factory gaskets degrade over time, leading to oil weeps, compression loss, and potential engine damage. The S&S Cycle...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: $94.95Now: $85.46Was: $94.95 -
On Sale
S&S CYCLE Top End Gasket - 3-7/8" - Twin Cam 90-9504
S&S CYCLE
MSRP: $137.95Now: $124.16Was: $137.95A proper top end gasket is non-negotiable for maintaining cylinder head integrity and preventing costly coolant and oil leaks. The S&S Cycle 3-7/8" gasket delivers the precision fit and material...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: $137.95Now: $124.16Was: $137.95Qty in Cart: 0Quantity:Price:MSRP: $137.95Now: $124.16Was: $137.95Subtotal: -
On Sale
S&S CYCLE Top End Gasket - 4" - Twin Cam 90-9505
S&S CYCLE
MSRP: $106.95Now: $96.26Was: $106.95A quality top-end gasket is critical to maintaining compression integrity and preventing oil seepage in your Twin Cam engine. The S&S Cycle 4" gasket is engineered to exact OEM specifications and...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: $106.95Now: $96.26Was: $106.95 -
On Sale
S&S CYCLE Top End Gasket Kit - 3.5" 90-9507
S&S CYCLE
MSRP: $117.95Now: $106.16Was: $117.95A quality top-end gasket kit is essential for maintaining cylinder head integrity and preventing coolant or oil seepage that compromises engine performance. The S&S Cycle 90-9507 delivers...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: $117.95Now: $106.16Was: $117.95 -
On Sale
S&S CYCLE Replacement Rings 94-1210X
S&S CYCLE
MSRP: $67.95Now: $61.16Was: $67.95When you've invested in S&S pistons, you need replacement rings that match their precision engineering and durability. OEM replacement rings ensure your engine maintains the compression, seal...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: $67.95Now: $61.16Was: $67.95 -
On Sale
S&S CYCLE Replacement Rings 94-1211X
S&S CYCLE
MSRP: $64.95Now: $58.46Was: $64.95If you're running S&S performance pistons, OEM ring sets won't cut it—you need replacements engineered to match your upgraded internals. The S&S CYCLE 94-1211X ring set delivers the compression,...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: $64.95Now: $58.46Was: $64.95 -
On Sale
S&S CYCLE Replacement Rings 94-1212X
S&S CYCLE
MSRP: $64.95Now: $58.46Was: $64.95If you're running S&S pistons, using OEM or substandard rings is leaving horsepower on the table. S&S Cycle replacement rings are engineered to precise tolerances that match your high-performance...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: $64.95Now: $58.46Was: $64.95 -
On Sale
S&S CYCLE Replacement Rings 94-1300X
S&S CYCLE
MSRP: $63.95Now: $57.56Was: $63.95Maintaining proper ring seal is critical to engine performance—worn or damaged piston rings lead to compression loss, oil consumption, and reduced horsepower. The S&S Cycle Replacement Rings 94-1300X...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: $63.95Now: $57.56Was: $63.95 -
On Sale
S&S CYCLE Replacement Rings 94-1301X
S&S CYCLE
MSRP: $63.95Now: $57.56Was: $63.95If you're running S&S Performance pistons, OEM replacement rings won't cut it—you need rings engineered to match the precision tolerances and high-RPM demands of your build. S&S Cycle Replacement...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: $63.95Now: $57.56Was: $63.95 -
On Sale
S&S CYCLE Replacement Rings 94-1400X
S&S CYCLE
MSRP: $63.95Now: $57.56Was: $63.95When you're running S&S pistons at the limits of performance, factory-spec rings won't cut it. S&S Cycle replacement rings are engineered to match your high-displacement, high-compression setup,...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: $63.95Now: $57.56Was: $63.95 -
On Sale
S&S CYCLE Replacement Rings 94-1401X
S&S CYCLE
MSRP: $66.95Now: $60.26Was: $66.95Maintaining proper ring seal is critical to engine performance, compression, and longevity—especially in high-performance applications where stock tolerances simply won't cut it. S&S Cycle...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: $66.95Now: $60.26Was: $66.95 -
On Sale
S&S CYCLE Adjustable Pushrods - XL 93-5022
S&S CYCLE
MSRP: $152.95Now: $137.66Was: $152.95Precise valve timing is the foundation of any high-performance engine build, and S&S Cycle's adjustable pushrods give you the fine-tuning capability to dial in your valvetrain exactly as your...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: $152.95Now: $137.66Was: $152.95 -
On Sale
S&S CYCLE Adjustable Pushrods - XL 93-5033
S&S CYCLE
MSRP: $152.95Now: $137.66Was: $152.95Precise valve timing is non-negotiable in high-performance engines, and worn or incorrect pushrods compromise both reliability and power output. S&S Cycle's adjustable pushrods give you the ability...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: $152.95Now: $137.66Was: $152.95 -
On Sale
S&S CYCLE Adjustable Pushrods - Big Twin 93-5076
S&S CYCLE
MSRP: $152.95Now: $137.66Was: $152.95Precise valve timing is non-negotiable in high-performance Big Twin engines, and stock pushrods often lack the adjustability needed for custom builds and extensive modifications. The S&S Cycle...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
MSRP: $152.95Now: $137.66Was: $152.95
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.