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 Filter - Chrome 31-4102A
S&S CYCLE
MSRP: $23.95Now: $21.56Was: $23.95Engine cleanliness directly impacts performance and longevity—stock filters often allow contaminants to bypass into your oil system, compromising protection during critical moments. The S&S Cycle...07120539- SKU:
- 07120539
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- TYPE:
- CANISTER
- PRODUCT NAME:
- OIL FILTER
- MATERIAL:
- STEEL
- UNITS:
- EACH
- BASE FINISH:
- CHROME
MSRP: $23.95Now: $21.56Was: $23.95 -
On Sale
S&S CYCLE Oil Filter - Chrome 31-4104A
S&S CYCLE
MSRP: $23.95Now: $21.56Was: $23.95A quality oil filter directly impacts engine longevity and performance by removing contaminants before they cause wear. The S&S Cycle 31-4104A improves on stock designs with superior filtration...07120541- SKU:
- 07120541
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MATERIAL:
- STEEL
- PRODUCT NAME:
- OIL FILTER
- FEATURES:
- ANTI-DRAIN BACK VALVE
- TYPE:
- CANISTER
- UNITS:
- EACH
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
MSRP: $23.95Now: $21.56Was: $23.95 -
On Sale
S&S CYCLE Inner Primary Bearing Race 560-0241
S&S CYCLE
MSRP: $82.95Now: $74.66Was: $82.95Transmission bearing race movement is a silent killer in high-performance applications—it compromises seal integrity and accelerates output bearing wear, leading to catastrophic failure. The S&S...11200335- SKU:
- 11200335
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- INNER PRIMARY
- UNITS:
- EACH
- PRODUCT NAME:
- BEARING RACE
MSRP: $82.95Now: $74.66Was: $82.95 -
On Sale
S&S CYCLE Quickee Pushrods - Black - M8 930-0137
S&S CYCLE
MSRP: $334.95Now: $301.46Was: $334.95If you're running Evolution or Twin Cam hydraulic tappets, S&S Cycle Quickee Pushrods eliminate the frustration of rocker cover removal during installation and adjustment. Their threaded adjuster...09280096- SKU:
- 09280096
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- CHROMOLY STEEL
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GLOSS BLACK
- STYLE:
- ADJUSTABLE
- BASE COLOR:
- BLACK
- MODEL:
- QUICKEE
- STYLE:
- QUICKEE
- BASE FINISH:
- GLOSS
- PRODUCT NAME:
- PUSHROD KIT
- UNITS:
- KIT
MSRP: $334.95Now: $301.46Was: $334.95Qty in Cart: 0Quantity:Price:MSRP: $334.95Now: $301.46Was: $334.95Subtotal: -
On Sale
S&S CYCLE E/G Carburetor Acceleration Pump Cap O-Ring 50-8100
S&S CYCLE
MSRP: $16.95Now: $15.26Was: $16.95A worn or degraded accelerator pump cap O-ring compromises fuel delivery precision and can lead to erratic throttle response or fuel leakage. The S&S Cycle 50-8100 is a direct replacement engineered...10030193- SKU:
- 10030193
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- O-RING
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLUE
- MODEL:
- SUPER G
- TYPE:
- ACCELERATOR PUMP CAP
- UNITS:
- 10 PACK
- MODEL:
- SUPER E
MSRP: $16.95Now: $15.26Was: $16.95 -
On Sale
S&S CYCLE Oil Filter - Chrome - 12-Pack 310-0242
S&S CYCLE
MSRP: $288.95Now: $260.06Was: $288.95Stock oil filters compromise engine protection by allowing unfiltered bypass oil to circulate during cold starts and high-flow conditions. The S&S Cycle Oil Filter eliminates this vulnerability with...07120495- SKU:
- 07120495
- Availability:
- Ships Same Business Day
- Weight:
- 8.50 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- STREET
- FEATURES:
- ANTI-DRAIN BACK VALVE
- MATERIAL:
- STEEL
- TYPE:
- CANISTER
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL FILTER
- UNITS:
- 12 PACK
MSRP: $288.95Now: $260.06Was: $288.95 -
On Sale
S&S CYCLE Oil Filter - Chrome - 12-Pack 310-0240
S&S CYCLE
MSRP: $288.95Now: $260.06Was: $288.95Engine protection starts with filtration. The S&S Cycle Oil Filter reduces contaminant carryover with a direct bypass valve design that captures smaller particles while maintaining stock-level flow...07120497- SKU:
- 07120497
- Availability:
- Ships Same Business Day
- Weight:
- 8.30 LBS
- TYPE:
- CANISTER
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- CHROME
- MATERIAL:
- STEEL
- BASE FINISH:
- CHROME
- UNITS:
- 12 PACK
MSRP: $288.95Now: $260.06Was: $288.95 -
On Sale
S&S CYCLE Cylinder Kit - 110" - Black 910-0651
S&S CYCLE
MSRP: $1,540.95Now: $1,386.86Was: $1,540.95If you're running an 88", 96", or 103" big twin and want genuine displacement gains without engine teardown, the S&S Cycle 110" Cylinder Kit delivers a straightforward bolt-in solution. This kit...09310742- SKU:
- 09310742
- Availability:
- Ships Same Business Day
- Weight:
- 26.91 LBS
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 110'
- MODEL:
- SIDEWINDER
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE SIZE IMPERIAL:
- 4.000'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- STREET
- TYPE:
- BIG BORE
- UNITS:
- KIT
MSRP: $1,540.95Now: $1,386.86Was: $1,540.95 -
On Sale
S&S CYCLE HI-4N Ignition Module - Harley Davidson 550-0501
S&S CYCLE
MSRP: $411.95Now: $370.76Was: $411.95If you're running a carbureted Harley-Davidson and demand precise ignition timing without the complexity of fuel injection systems, the S&S CYCLE HI-4N delivers reliable, tunable ignition control in...21010345- SKU:
- 21010345
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- GRAY
- UNITS:
- EACH
- FEATURES:
- PROGRAMMABLE
- TYPE:
- IGNITION
- PRODUCT NAME:
- IGNITION MODULE
MSRP: $411.95Now: $370.76Was: $411.95 -
On Sale
S&S CYCLE Cylinder Kit - M8 910-0685
S&S CYCLE
MSRP: $1,561.95Now: $1,405.76Was: $1,561.95If you're running a stock M8 and looking to unlock measurable horsepower and torque gains without splitting cases, the S&S CYCLE Big Bore kit delivers straightforward power. Premium cast-iron lined...09310835- SKU:
- 09310835
- Availability:
- Ships Same Business Day
- Weight:
- 29.01 LBS
- DISPLACEMENT:
- 128'
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- MATERIAL:
- IRON
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $1,561.95Now: $1,405.76Was: $1,561.95Qty in Cart: 0Quantity:Price:MSRP: $1,561.95Now: $1,405.76Was: $1,561.95Subtotal: -
On Sale
S&S CYCLE Power Package - Gear Drive - Oil Cooled - Highlighted Fins - M8 310-1053A
S&S CYCLE
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95Building serious displacement on your M8 requires a big bore kit engineered for reliability at high RPM—not a compromise. The S&S Cycle Power Package delivers 124 cubic inches of additional capacity...09040058- SKU:
- 09040058
- Availability:
- Ships Same Business Day
- Weight:
- 46.90 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- CAM DRIVE TYPE:
- GEAR
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PERFORMANCE KIT
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- COOLING SYSTEM:
- OIL COOLED
- UNITS:
- KIT
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95 -
On Sale
S&S CYCLE Power Package - Gear Drive - Oil Cooled - Highlighted Fins - M8 310-1058A
S&S CYCLE
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95If you're serious about big-inch performance on your M8, this S&S Power Package delivers the displacement and reliability to back it up. The 124" big bore kit combines forged internals with an...09040063- SKU:
- 09040063
- Availability:
- Ships Same Business Day
- Weight:
- 47.60 LBS
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PERFORMANCE KIT
- BORE SIZE IMPERIAL:
- 4.250'
- CAM DRIVE TYPE:
- GEAR
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- STYLE:
- BIG BORE
- UNITS:
- KIT
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
- COOLING SYSTEM:
- OIL COOLED
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95 -
On Sale
S&S CYCLE Power Package - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1059A
S&S CYCLE
MSRP: $3,695.95Now: $3,326.36Was: $3,695.95The S&S Cycle Power Package delivers the displacement and precision engineering your M8 demands for serious power gains without compromising reliability. This bolt-on big bore kit transforms your...09040064- SKU:
- 09040064
- Availability:
- Ships Same Business Day
- Weight:
- 47.45 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- CAM DRIVE TYPE:
- GEAR
- COLOR/FINISH:
- NON-HIGHLIGHTED FINS
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PERFORMANCE KIT
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- COOLING SYSTEM:
- OIL COOLED
- UNITS:
- KIT
MSRP: $3,695.95Now: $3,326.36Was: $3,695.95 -
On Sale
S&S CYCLE Power Pack - GearDrive with Highlighted Fins - Water Cooled - M8 310-1102A
S&S CYCLE
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95If you're serious about extracting maximum displacement and reliability from your M8, the S&S Cycle Power Pack delivers a straightforward path to 128 cubic inches with zero guesswork. This kit...09040066- SKU:
- 09040066
- Availability:
- Ships Same Business Day
- Weight:
- 47.60 LBS
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- COOLING SYSTEM:
- WATER COOLED
- COOLING SYSTEM:
- OIL COOLED
- DISPLACEMENT:
- 128'
- PRODUCT NAME:
- PERFORMANCE KIT
- BORE SIZE IMPERIAL:
- 4.250'
- CAM DRIVE TYPE:
- GEAR
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4.50'
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95 -
On Sale
S&S CYCLE Power Pack - Oil Cooled - M8 310-1104A
S&S CYCLE
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95If you're running a big bore M8 and want real gains in displacement and horsepower without dismantling your entire engine, the S&S CYCLE Power Pack delivers bolt-on simplicity with race-proven...09040068- SKU:
- 09040068
- Availability:
- Ships Same Business Day
- Weight:
- 46.80 LBS
- DISPLACEMENT:
- 128'
- PRODUCT NAME:
- PERFORMANCE KIT
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4.50'
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- COOLING SYSTEM:
- OIL COOLED
- UNITS:
- KIT
- CAM DRIVE TYPE:
- GEAR
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
MSRP: $3,460.95Now: $3,114.86Was: $3,460.95 -
On Sale
S&S CYCLE Power Pack - Gear Drive with Highlighted Fins - Black Granite - Water Cooled - M8 310-1108A
S&S CYCLE
MSRP: $3,427.95Now: $3,085.16Was: $3,427.95If you're serious about extracting maximum displacement and reliability from your M8, the S&S Cycle Power Pack delivers genuine performance gains through precision engineering. This 114" to 128" big...09040072- SKU:
- 09040072
- Availability:
- Ships Same Business Day
- Weight:
- 46.20 LBS
- COLOR/FINISH:
- HIGHLIGHTED FINS
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK GRANITE
- COOLING SYSTEM:
- OIL COOLED
- DISPLACEMENT:
- 128'
- PRODUCT NAME:
- PERFORMANCE KIT
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- COOLING SYSTEM:
- WATER COOLED
- BORE SIZE IMPERIAL:
- 4.250'
- CAM DRIVE TYPE:
- GEAR
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4.50'
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
MSRP: $3,427.95Now: $3,085.16Was: $3,427.95 -
On Sale
S&S CYCLE Power Pack - Oil Cooled - M8 310-1105B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95The S&S Cycle Power Pack delivers the displacement and breathing capacity serious M8 builders need without case machining or extensive fabrication. This bolt-on kit pairs a 4.250" bore with...09040086- SKU:
- 09040086
- Availability:
- Ships Same Business Day
- Weight:
- 54.20 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- NON-HIGHLIGHTED FINS
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4.50'
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- DISPLACEMENT:
- 128'
- PRODUCT NAME:
- PERFORMANCE KIT
- CAM DRIVE TYPE:
- CHAIN
- COLOR/FINISH:
- WRINKLE BLACK
- COOLING SYSTEM:
- OIL COOLED
- UNITS:
- KIT
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Power Pack - Twin Cooled - M8 310-1050B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95If you're serious about extracting maximum horsepower from your M8, a big bore kit isn't optional—it's essential. The S&S Power Pack Twin Cooled delivers the displacement increase, oil management,...09040087- SKU:
- 09040087
- Availability:
- Ships Same Business Day
- Weight:
- 44.70 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- DISPLACEMENT:
- 124'
- MODEL:
- POWER PACKAGE
- PRODUCT NAME:
- PERFORMANCE KIT
- RIDING STYLE:
- STREET
- CAM DRIVE TYPE:
- CHAIN
- COOLING SYSTEM:
- WATER COOLED
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- COOLING SYSTEM:
- OIL COOLED
- UNITS:
- KIT
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Power Pack - Oil Cooled - M8 310-1052B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95The S&S CYCLE Power Pack delivers measurable horsepower and torque gains through a coordinated system of big-bore, cam, and induction components—engineered specifically for M8 platforms where bolt-on...09040088- SKU:
- 09040088
- Availability:
- Ships Same Business Day
- Weight:
- 44.50 LBS
- CAM DRIVE TYPE:
- CHAIN
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PERFORMANCE KIT
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- STYLE:
- BIG BORE
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- COOLING SYSTEM:
- OIL COOLED
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Power Pack - Twin Cooled - M8 310-1054B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95If you're running an M8 and want real power gains without tearing down your cases, the S&S CYCLE Power Pack Twin Cooled delivers measurable performance through a precision big bore kit that bolts...09040089- SKU:
- 09040089
- Availability:
- Ships Same Business Day
- Weight:
- 44.60 LBS
- CAM DRIVE TYPE:
- CHAIN
- COOLING SYSTEM:
- WATER COOLED
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PERFORMANCE KIT
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- STYLE:
- BIG BORE
- UNITS:
- KIT
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
- COOLING SYSTEM:
- OIL COOLED
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Power Pack - Oil Cooled - M8 310-1056B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95The S&S Cycle Power Pack delivers the displacement and breathing efficiency your M8 demands without tearing down the engine. This bolt-on big bore kit combines precision-engineered components—forged...09040090- SKU:
- 09040090
- Availability:
- Ships Same Business Day
- Weight:
- 44.80 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- DISPLACEMENT:
- 124'
- MODEL:
- POWER PACKAGE
- PRODUCT NAME:
- PERFORMANCE KIT
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
- CAM DRIVE TYPE:
- CHAIN
- STYLE:
- BIG BORE
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- COOLING SYSTEM:
- OIL COOLED
- UNITS:
- KIT
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Power Pack - Oil Cooled - M8 310-1103B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95If you're serious about maximizing displacement and power output on your M8, the S&S Cycle Power Pack delivers measurable gains without requiring case machining—meaning you can install it as a...09040093- SKU:
- 09040093
- Availability:
- Ships Same Business Day
- Weight:
- 45.00 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4.50'
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- CAM DRIVE TYPE:
- CHAIN
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- COOLING SYSTEM:
- OIL COOLED
- DISPLACEMENT:
- 128'
- PRODUCT NAME:
- PERFORMANCE KIT
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- UNITS:
- KIT
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Power Pack - Twin Cooled - M8 310-1107B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95If you're running an M8 and serious about maximizing displacement without case work, the S&S Cycle Power Pack Twin Cooled delivers genuine horsepower gains through a bolt-on big bore kit engineered...09040094- SKU:
- 09040094
- Availability:
- Ships Same Business Day
- Weight:
- 44.70 LBS
- COLOR/FINISH:
- BLACK GRANITE
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- BORE SIZE IMPERIAL:
- 4.250'
- COOLING SYSTEM:
- OIL COOLED
- DISPLACEMENT:
- 128'
- PRODUCT NAME:
- PERFORMANCE KIT
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- COOLING SYSTEM:
- WATER COOLED
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4.50'
- CAM DRIVE TYPE:
- CHAIN
- COLOR/FINISH:
- HIGHLIGHTED FINS
- UNITS:
- KIT
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Power Pack - Oil Cooled - M8 310-1109B
S&S CYCLE
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95If you're serious about extracting maximum horsepower from your M8, this bolt-on big bore kit delivers measurable performance gains without requiring case machining. The 4.250" bore, forged pistons,...09040095- SKU:
- 09040095
- Availability:
- Ships Same Business Day
- Weight:
- 54.20 LBS
- COLOR/FINISH:
- BLACK GRANITE
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- COMPRESSION RATIO IMPERIAL:
- 11.1:1
- MODEL:
- POWER PACKAGE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4.50'
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COOLING SYSTEM:
- OIL COOLED
- UNITS:
- KIT
- CAM DRIVE TYPE:
- CHAIN
- DISPLACEMENT:
- 128'
- PRODUCT NAME:
- PERFORMANCE KIT
MSRP: $3,265.95Now: $2,939.36Was: $3,265.95 -
On Sale
S&S CYCLE Cylinder Heads 900-0349
S&S CYCLE
MSRP: $1,795.95Now: $1,616.36Was: $1,795.95S&S Cycle cylinder heads deliver measurable flow improvements that unlock performance gains whether you're running stock displacement or building toward future upgrades. The fully assembled design...09031292- SKU:
- 09031292
- Availability:
- Ships Same Business Day
- Weight:
- 30.20 LBS
- COLOR/FINISH:
- POWDER-COATED
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 91 CC
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- CYLINDER HEAD KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
MSRP: $1,795.95Now: $1,616.36Was: $1,795.95 -
On Sale
S&S CYCLE 106" Hot Set Up Kit 900-0354
S&S CYCLE
MSRP: $2,143.95Now: $1,929.56Was: $2,143.95If you're running a stock or mildly modified Harley big twin and want genuine performance gains without a complete engine rebuild, the S&S 106" Hot Set Up Kit delivers real-world improvements in...09031293- SKU:
- 09031293
- Availability:
- Ships Same Business Day
- Weight:
- 41.70 LBS
- BORE SIZE IMPERIAL:
- 3.927'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- PRODUCT NAME:
- PERFORMANCE KIT
- CAM DRIVE TYPE:
- CHAIN
- COLOR/FINISH:
- BLACK
- MODEL:
- HOT SET UP®
- DISPLACEMENT:
- 106'
- STROKE LENGTH IMPERIAL:
- 4.375'
- UNITS:
- KIT
MSRP: $2,143.95Now: $1,929.56Was: $2,143.95 -
On Sale
S&S CYCLE Cylinders - 4.125" - Black 910-0255
S&S CYCLE
MSRP: $924.95Now: $832.46Was: $924.95If you're building a 124-cubic-inch big-bore engine for your Twin Cam, these S&S Cycle cylinders are purpose-built to deliver the displacement and reliability your performance setup demands. Slightly...09031294- SKU:
- 09031294
- Availability:
- Ships Same Business Day
- Weight:
- 22.00 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- PAIR
MSRP: $924.95Now: $832.46Was: $924.95Qty in Cart: 0Quantity:Price:MSRP: $924.95Now: $832.46Was: $924.95Subtotal: -
On Sale
S&S CYCLE Hooligan Kit - 883-1200 - Black 910-0699
S&S CYCLE
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95The S&S Cycle Hooligan Kit delivers a straightforward path to increased displacement and power without the downtime of machine work or engine rebalancing. Designed specifically for 883-1200...09031300- SKU:
- 09031300
- Availability:
- Ships Same Business Day
- Weight:
- 30.03 LBS
- MODEL:
- HOOLIGAN
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- DISPLACEMENT:
- 1200 CC
- PRODUCT NAME:
- PERFORMANCE KIT
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 9.6:1
- UNITS:
- KIT
- STROKE LENGTH IMPERIAL:
- 3-13/16'
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95 -
On Sale
S&S CYCLE Hooligan Kit - 883-1200 - Silver 910-0700
S&S CYCLE
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95The S&S Cycle Hooligan Kit delivers proven big-bore performance without the machine shop headaches—bolt-in components mean you're adding displacement and power while keeping your build simple and...09031301- SKU:
- 09031301
- Availability:
- Ships Same Business Day
- Weight:
- 30.05 LBS
- MODEL:
- HOOLIGAN
- STYLE:
- BIG BORE
- TYPE:
- ENGINE
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- COLOR/FINISH:
- SILVER
- COMPRESSION RATIO IMPERIAL:
- 9.6:1
- DISPLACEMENT:
- 1200 CC
- PRODUCT NAME:
- PERFORMANCE KIT
- UNITS:
- KIT
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95 -
On Sale
S&S CYCLE Hooligan Kit - 1200-1250 - Black 910-0701
S&S CYCLE
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95The S&S Cycle Hooligan Kit delivers straightforward displacement gains without the complexity of full engine rebuilds. By bolting onto your existing engine architecture, you gain measurable power...09031302- SKU:
- 09031302
- Availability:
- Ships Same Business Day
- Weight:
- 29.50 LBS
- MODEL:
- HOOLIGAN
- STYLE:
- BIG BORE
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.2:1
- PRODUCT NAME:
- PERFORMANCE KIT
- DISPLACEMENT:
- 1250 CC
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- TYPE:
- ENGINE
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95 -
On Sale
S&S CYCLE Hooligan Kit - 1200-1250 - Silver 910-0702
S&S CYCLE
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95The S&S Cycle Hooligan Kit delivers a straightforward path to increased displacement and horsepower without the complexity of machine work or internal balancing. If you're running a stock 1200 or...09031303- SKU:
- 09031303
- Availability:
- Ships Same Business Day
- Weight:
- 29.40 LBS
- DISPLACEMENT:
- 1250 CC
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- TYPE:
- ENGINE
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- PERFORMANCE KIT
- COMPRESSION RATIO IMPERIAL:
- 11.2:1
- MODEL:
- HOOLIGAN
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $1,822.95Now: $1,640.66Was: $1,822.95 -
On Sale
S&S CYCLE Piston Kit 106-0433
S&S CYCLE
MSRP: $481.95Now: $433.76Was: $481.95If you're running an 883cc or 1200cc Big Twin and want genuine displacement gains without a complete engine teardown, this S&S piston kit delivers a straightforward path to 1250cc performance. The 10...09105021- SKU:
- 09105021
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- BORE - OVERSIZE:
- +0,005'
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- REPLACEMENT
- DISPLACEMENT:
- 103'
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
MSRP: $481.95Now: $433.76Was: $481.95Qty in Cart: 0Quantity:Price:MSRP: $481.95Now: $433.76Was: $481.95Subtotal: -
On Sale
S&S CYCLE Compression Fitting 50-8120
S&S CYCLE
MSRP: $33.95Now: $30.56Was: $33.95Precision fuel and oil line connections demand components that won't leak under pressure or vibration. The S&S Cycle Compression Fitting 50-8120 delivers the reliability you need in high-performance...07110233- SKU:
- 07110233
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- CHROME
- STYLE:
- COMPRESSION
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- UNITS:
- EACH
MSRP: $33.95Now: $30.56Was: $33.95 -
On Sale
S&S CYCLE 90 Degree Oil Fitting - 5-Pack 50-1007
S&S CYCLE
MSRP: $61.95Now: $55.76Was: $61.95Proper oil line routing is critical to engine performance and longevity, and cheap fittings can leak under pressure or fail during high-RPM operation. S&S Cycle's 90-degree oil fittings are...07110234- SKU:
- 07110234
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- FITTING
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- FITTING ANGLE:
- 90°
- STYLE:
- ELBOW
- UNITS:
- 5 PACK
MSRP: $61.95Now: $55.76Was: $61.95 -
On Sale
S&S CYCLE Oil Filter Mount Fitting - Straight - 3/4"-16 UNF 2a 50-8197-S
S&S CYCLE
MSRP: $17.95Now: $16.16Was: $17.95A reliable oil filter mount fitting is critical infrastructure for any custom engine build or forced induction system where you need precise oil routing and filtration control. This S&S Cycle...07110235- SKU:
- 07110235
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- FITTING
- STYLE:
- STRAIGHT
- RIDING STYLE:
- STREET
- TYPE:
- OIL
MSRP: $17.95Now: $16.16Was: $17.95 -
On Sale
S&S CYCLE Oil Filter Mount - Polished 31-6510
S&S CYCLE
MSRP: $195.95Now: $176.36Was: $195.95If you're running a high-performance engine, your oil filtration system needs to be as reliable and precise as the rest of your build. The S&S Cycle Oil Filter Mount eliminates casting defects and...07120059- SKU:
- 07120059
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- TYPE:
- OIL FILTER
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MOUNT
- RIDING STYLE:
- STREET
- BASE FINISH:
- POLISHED
- UNITS:
- EACH
MSRP: $195.95Now: $176.36Was: $195.95 -
On Sale
S&S CYCLE Oil Line Installation Kit 310-0435
S&S CYCLE
MSRP: $195.95Now: $176.36Was: $195.95Upgrading your '07-'16 FLT with an S&S crankcase requires proper oil circulation to ensure reliability and longevity. This OEM-quality installation kit delivers the correct hose routing and fittings...07110220- SKU:
- 07110220
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- FEATURES:
- INCLUDES FITTING
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- FEATURES:
- INCLUDES CLAMP
- PRODUCT NAME:
- OIL LINE KIT
MSRP: $195.95Now: $176.36Was: $195.95 -
On Sale
S&S CYCLE Oil Filter Mount - Chrome 106-3884
S&S CYCLE
MSRP: $275.95Now: $248.36Was: $275.95If you're running a high-performance engine, your oil filtration system needs to be as reliable as the rest of your build. This S&S Cycle oil filter mount eliminates common failure points—casting...07120312- SKU:
- 07120312
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COLOR/FINISH:
- CHROME
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- OIL FILTER
- UNITS:
- EACH
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- MOUNT
MSRP: $275.95Now: $248.36Was: $275.95 -
On Sale
S&S CYCLE Oil Filter Mount - Polished 31-4105
S&S CYCLE
MSRP: $381.95Now: $343.76Was: $381.95If you're running a high-performance engine, your oil filtration system needs to keep pace with your build. The S&S Cycle Oil Filter Mount delivers a precision-engineered solution that eliminates...07120313- SKU:
- 07120313
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- POLISHED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MOUNT
- RIDING STYLE:
- STREET
- BASE FINISH:
- POLISHED
- TYPE:
- OIL FILTER
MSRP: $381.95Now: $343.76Was: $381.95 -
On Sale
S&S CYCLE Oil Filter - Black 31-4101A
S&S CYCLE
MSRP: $20.95Now: $18.86Was: $20.95A quality oil filter is non-negotiable for engine longevity, and the S&S Cycle 31-4101A delivers superior filtration where it counts most. This purpose-built canister traps smaller contaminants than...07120538- SKU:
- 07120538
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- TYPE:
- CANISTER
MSRP: $20.95Now: $18.86Was: $20.95
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.
