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
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On Sale
S&S CYCLE Replacement Rings 94-2208X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95Piston rings are critical wear items that directly impact compression, oil control, and overall engine performance. OEM rings often degrade after extended use or high-mileage operation, leading to...09120091- SKU:
- 09120091
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.4375'
- PISTON SIZE IMPERIAL:
- +0.080'
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Replacement Rings 94-2209X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95Maintaining proper ring seal is critical to engine performance and longevity. S&S Cycle replacement rings ensure optimal compression, reduced blow-by, and consistent power delivery across the RPM...09120092- SKU:
- 09120092
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- BORE SIZE IMPERIAL:
- 3.4375'
- PISTON SIZE IMPERIAL:
- +0.090'
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Replacement Rings 94-1200X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95When you're building or rebuilding a high-performance engine, piston ring quality directly impacts compression, blow-by control, and overall reliability. S&S Cycle replacement rings are engineered to...09120093- SKU:
- 09120093
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.625'
- PISTON SIZE IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON RING
MSRP: $54.95Now: $49.46Was: $54.95Qty in Cart: 0Quantity:Price:MSRP: $54.95Now: $49.46Was: $54.95Subtotal: -
On Sale
S&S CYCLE Replacement Rings 94-1201X
S&S CYCLE
MSRP: $54.95Now: $49.46Was: $54.95When you're rebuilding or refreshing your S&S piston assembly, OEM-quality rings are non-negotiable for proper compression, oil control, and ring seal integrity. S&S Cycle replacement rings are...09120094- SKU:
- 09120094
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PISTON SIZE IMPERIAL:
- +0.010'
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.625'
- PRODUCT NAME:
- PISTON RING
MSRP: $54.95Now: $49.46Was: $54.95 -
On Sale
S&S CYCLE Replacement Rings 94-1213X
S&S CYCLE
MSRP: $64.95Now: $58.46Was: $64.95When you're rebuilding an S&S Cycle engine, using OEM-spec replacement rings ensures proper compression, reduced blow-by, and consistent performance across the entire RPM band. These rings are...09120098- SKU:
- 09120098
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.625'
- PRODUCT NAME:
- PISTON RING
- PISTON SIZE IMPERIAL:
- +0.030'
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
MSRP: $64.95Now: $58.46Was: $64.95 -
On Sale
S&S CYCLE Piston Rings 106-3709A
S&S CYCLE
MSRP: $74.95Now: $67.46Was: $74.95Piston rings are critical wear items that directly impact compression, oil control, and overall engine efficiency. When rings become worn or damaged, you'll experience blow-by, increased oil...09120640- SKU:
- 09120640
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- REPLACEMENT
- PISTON SIZE IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON RING
- BORE SIZE IMPERIAL:
- 3.927'
- RIDING STYLE:
- STREET
- UNITS:
- SET
MSRP: $74.95Now: $67.46Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $67.46Was: $74.95Subtotal: -
On Sale
S&S CYCLE Piston Rings 940-0014
S&S CYCLE
MSRP: $85.95Now: $77.36Was: $85.95Worn or damaged piston rings directly compromise compression, blowby, and oil control—leading to reduced power output and increased fuel consumption. The S&S Cycle 940-0014 replacement rings restore...09120641- SKU:
- 09120641
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE IMPERIAL:
- 4.125'
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PISTON RING
- TYPE:
- REPLACEMENT
- PISTON SIZE IMPERIAL:
- STANDARD
- UNITS:
- SET
MSRP: $85.95Now: $77.36Was: $85.95 -
On Sale
S&S CYCLE Piston Rings 940-0013
S&S CYCLE
MSRP: $84.95Now: $76.46Was: $84.95Piston rings are critical wear items that directly impact compression, oil control, and power delivery—worn or damaged rings rob you of performance and increase blow-by. S&S Cycle piston rings are...09120646- SKU:
- 09120646
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- REPLACEMENT
- UNITS:
- SET
- PRODUCT NAME:
- PISTON RING
- BORE SIZE IMPERIAL:
- 4.125'
- RIDING STYLE:
- STREET
- PISTON SIZE IMPERIAL:
- +0.020'
MSRP: $84.95Now: $76.46Was: $84.95 -
On Sale
S&S CYCLE Clips 94-9254
S&S CYCLE
MSRP: $7.95Now: $7.16Was: $7.95Proper piston ring management is critical for maintaining compression integrity and preventing blow-by in high-performance engines. These S&S Cycle clips ensure your forged pistons maintain optimal...09130244- SKU:
- 09130244
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- PIN
- UNITS:
- 4 PACK
- PRODUCT NAME:
- CIRCLIP
- APPLICATION:
- PISTON
- RIDING STYLE:
- STREET
MSRP: $7.95Now: $7.16Was: $7.95 -
On Sale
S&S CYCLE REED VALVE, 93-99 STD 31-2096
S&S CYCLE
MSRP: $165.95Now: $149.36Was: $165.95High-RPM oil carryover kills engine efficiency and creates maintenance headaches—especially in modified or hard-driven engines with marginal ring seal. The S&S Cycle reed valve solves this problem...09200008- SKU:
- 09200008
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- COLOR/FINISH:
- SILVER
- DIAMETER - THREAD SIZE IMPERIAL:
- STANDARD
- PRODUCT NAME:
- BREATHER VALVE
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- EACH
- BASE COLOR:
- SILVER
MSRP: $165.95Now: $149.36Was: $165.95 -
On Sale
S&S CYCLE REED VALVE, 84-99 +.030 31-2100
S&S CYCLE
MSRP: $171.95Now: $154.76Was: $171.95If you're running a high-rpm engine with marginal piston ring seal, oil carryover into your cam chest is costing you performance and creating maintenance headaches. The S&S Cycle reed valve solves...09200009- SKU:
- 09200009
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- BREATHER VALVE
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- EACH
- DIAMETER - THREAD SIZE IMPERIAL:
- +0.030'
- BASE COLOR:
- SILVER
MSRP: $171.95Now: $154.76Was: $171.95 -
On Sale
S&S CYCLE Standard Pistons 92-1210
S&S CYCLE
MSRP: $546.95Now: $492.26Was: $546.95If you're building a 106" stroker engine for your Harley-Davidson Big Twin, these S&S forged pistons are non-negotiable. Engineered specifically for the S&S 106" stroker kit with 4-1/2" stroke...09200001- SKU:
- 09200001
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- SET
- BORE SIZE IMPERIAL:
- 3.875'
- DISPLACEMENT:
- 106'
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- PISTON MATERIAL:
- FORGED ALUMINUM
- PRODUCT NAME:
- PISTON KIT
MSRP: $546.95Now: $492.26Was: $546.95 -
On Sale
S&S CYCLE Engine Case - Twin Cam 310-0369
S&S CYCLE
MSRP: $2,155.95Now: $1,940.36Was: $2,155.95If you're building a high-displacement Twin Cam engine or pushing your H-D beyond stock limits, OEM crankcases will become your limiting factor. S&S Cycle's replacement engine cases deliver the...09200093- SKU:
- 09200093
- Availability:
- Ships Same Business Day
- Weight:
- 35.80 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- POWDER-COATED
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- PRODUCT NAME:
- ENGINE CASE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $2,155.95Now: $1,940.36Was: $2,155.95Qty in Cart: 0Quantity:Price:MSRP: $2,155.95Now: $1,940.36Was: $2,155.95Subtotal: -
On Sale
S&S CYCLE Super Stock¢â€žÂ¢ Engine Case 31-0055
S&S CYCLE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95A proper engine case is the foundation of any reliable high-performance build, and the S&S Cycle Super Stock case delivers the precision machining and OEM-quality construction that serious builders...09200063- SKU:
- 09200063
- Availability:
- Ships Same Business Day
- Weight:
- 29.38 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- A356 T-6 ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3.500'
- UNITS:
- KIT
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPER STOCK®
- PRODUCT NAME:
- ENGINE CASE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95Qty in Cart: 0Quantity:Price:MSRP: $1,995.95Now: $1,796.36Was: $1,995.95Subtotal: -
On Sale
S&S CYCLE Super Stock¢â€žÂ¢ Engine Case 31-0078
S&S CYCLE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95If you're building a high-performance Harley engine, your crankcase is the foundation of everything. The S&S Cycle Super Stock Engine Case gives you a precision-machined platform that optimizes oil...09200064- SKU:
- 09200064
- Availability:
- Ships Same Business Day
- Weight:
- 29.00 LBS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- ENGINE CASE
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.625'
- MATERIAL:
- A356 T-6 ALUMINUM ALLOY
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPER STOCK®
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95 -
On Sale
S&S CYCLE Crankcase - Black 310-0878
S&S CYCLE
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95If you're building a high-performance engine or replacing a worn crankcase on a Harley-Davidson big twin, the S&S CYCLE Crankcase gives you the strength and precision you need without compromising...09200155- SKU:
- 09200155
- Availability:
- Ships Same Business Day
- Weight:
- 35.80 LBS
- MATERIAL:
- 356 T-6 ALUMINUM
- BASE COLOR:
- BLACK
- BORE SIZE IMPERIAL:
- STANDARD
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPER STOCK
- PRODUCT NAME:
- CRANKCASE
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95 -
On Sale
S&S CYCLE Crankcase - Black 310-0856
S&S CYCLE
MSRP: $2,245.95Now: $2,021.36Was: $2,245.95Building a high-performance Harley-Davidson engine demands a foundation that can handle extreme compression, aggressive cams, and extended stroke lengths without compromise. The S&S CYCLE Crankcase...09200157- SKU:
- 09200157
- Availability:
- Ships Same Business Day
- Weight:
- 35.40 LBS
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- CRANKCASE
- MATERIAL:
- 356 T-6 ALUMINUM
- BASE FINISH:
- POWDER-COATED
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPER STOCK
- RIDING STYLE:
- STREET
- UNITS:
- EACH
MSRP: $2,245.95Now: $2,021.36Was: $2,245.95 -
On Sale
S&S CYCLE Special Application Crankcase 31-0047
S&S CYCLE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95If you're building a big-displacement Harley engine with serious cylinder bore sizes, stock crankcases simply won't cut it. The S&S Special Application Crankcase relocates critical internal passages...09200158- SKU:
- 09200158
- Availability:
- Ships Same Business Day
- Weight:
- 34.20 LBS
- PRODUCT NAME:
- CRANKCASE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95 -
On Sale
S&S CYCLE Crankcase - Natural 31-0008
S&S CYCLE
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95A quality crankcase is the foundation of a reliable, high-performance engine—it houses your bearings, manages oil delivery, and sets the standard for longevity. The S&S Cycle crankcase delivers...09200124- SKU:
- 09200124
- Availability:
- Ships Same Business Day
- Weight:
- 31.40 LBS
- COLOR/FINISH:
- NATURAL
- MATERIAL:
- A356 T-6 ALUMINUM ALLOY
- MODEL:
- SUPER STOCK®
- PRODUCT NAME:
- ENGINE CASE
- RIDING STYLE:
- STREET
- TYPE:
- GENERATOR
- UNITS:
- KIT
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95 -
On Sale
S&S CYCLE Crankcase - Black 31-0052
S&S CYCLE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95A quality crankcase is the foundation of any reliable Harley-Davidson engine build. The S&S Cycle crankcase delivers precision-machined construction with optimized oil scavenging and proven Timken...09200132- SKU:
- 09200132
- Availability:
- Ships Same Business Day
- Weight:
- 29.65 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPER STOCK®
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- ENGINE CASE
MSRP: $1,995.95Now: $1,796.36Was: $1,995.95 -
On Sale
S&S CYCLE Breather Valve - Twin Cam 310-0742
S&S CYCLE
MSRP: $152.95Now: $137.66Was: $152.95Oil carryover from your breather is more than just a mess—it's a sign your crankcase ventilation can't keep pace with your Twin Cam engine. The S&S CYCLE Breather Valve eliminates this problem at the...09200136- SKU:
- 09200136
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PRODUCT NAME:
- BREATHER VALVE
- RIDING STYLE:
- STREET
- TYPE:
- CRANKCASE
- UNITS:
- EACH
MSRP: $152.95Now: $137.66Was: $152.95 -
On Sale
S&S CYCLE Magnetic Oil Drain Plug 50-8335
S&S CYCLE
MSRP: $19.95Now: $17.96Was: $19.95Engine debris and ferrous particles circulate through your oil system every time you start your bike—they're inevitable byproducts of normal wear. A magnetic drain plug captures these contaminants...09200141- SKU:
- 09200141
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FEATURES:
- MAGNETIC
- PRODUCT NAME:
- PLUG
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- DIAMETER - THREAD SIZE IMPERIAL:
- 1/2-20
- TYPE:
- OIL DRAIN
MSRP: $19.95Now: $17.96Was: $19.95 -
On Sale
S&S CYCLE Engine Case 310-0367A
S&S CYCLE
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95If you're building a high-performance Twin Cam engine and need a foundation that won't compromise reliability, S&S Cycle's replacement engine cases deliver the strength and precision you demand...09200142- SKU:
- 09200142
- Availability:
- Ships Same Business Day
- Weight:
- 35.80 LBS
- PRODUCT NAME:
- ENGINE CASE
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- UNITS:
- EACH
- BASE FINISH:
- POWDER-COATED
- BORE SIZE IMPERIAL:
- 3.750'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95 -
On Sale
S&S CYCLE Nut Crankpin 1-20 Black 34-2104
S&S CYCLE
MSRP: $14.95Now: $13.46Was: $14.95A properly secured crankpin nut is critical to maintaining crankshaft integrity under high RPM and heavy load conditions. This OEM-specification nut ensures reliable fastening on S&S flywheels,...09200148- SKU:
- 09200148
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLACK
- BASE FINISH:
- MATTE
- MEASUREMENT SYSTEM:
- SAE
- APPLICATION:
- FLYWHEEL
- RIDING STYLE:
- STREET
- TYPE:
- CRANKPIN
- UNITS:
- EACH
- PRODUCT NAME:
- NUT
MSRP: $14.95Now: $13.46Was: $14.95 -
On Sale
S&S CYCLE Flywheel Assembly - Big Twin 32-2239
S&S CYCLE
MSRP: $1,595.95Now: $1,436.36Was: $1,595.95A quality flywheel assembly is the foundation of reliable engine performance—it handles the rotational loads from your crankshaft while maintaining precise balance across the entire powerband. The...09210250- SKU:
- 09210250
- Availability:
- Ships Same Business Day
- Weight:
- 36.75 LBS
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
MSRP: $1,595.95Now: $1,436.36Was: $1,595.95 -
On Sale
S&S CYCLE Engine Case 31-0172A
S&S CYCLE
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95If you're pushing your Twin Cam past stock limits, your factory cases are holding you back. S&S Cycle engine cases deliver the structural integrity you need for higher-displacement builds, stronger...09200187- SKU:
- 09200187
- Availability:
- Ships Same Business Day
- Weight:
- 33.80 LBS
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- ENGINE CASE
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- STANDARD
- UNITS:
- EACH
MSRP: $2,195.95Now: $1,976.36Was: $2,195.95 -
On Sale
S&S CYCLE Engine Case 31-0181A
S&S CYCLE
MSRP: $2,155.95Now: $1,940.36Was: $2,155.95If you're building a high-performance Twin Cam engine and need cases that can handle increased displacement and aggressive cam profiles, S&S Cycle's 31-0181A offers the strength and clearance you...09200188- SKU:
- 09200188
- Availability:
- Ships Same Business Day
- Weight:
- 33.30 LBS
- BASE FINISH:
- WRINKLE BLACK
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CRANKCASE
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- UNITS:
- EACH
MSRP: $2,155.95Now: $1,940.36Was: $2,155.95 -
On Sale
S&S CYCLE Crankpin - Big Twin 34-2007
S&S CYCLE
MSRP: $163.95Now: $147.56Was: $163.95A quality crankpin is the foundation of reliable big twin engine performance. Whether you're rebuilding a classic motor or maintaining a high-mileage engine, S&S Cycle's precision-engineered crankpin...09210160- SKU:
- 09210160
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CRANKPIN ASSEMBLY
- TYPE:
- OVERSIZED
- UNITS:
- EACH
MSRP: $163.95Now: $147.56Was: $163.95Qty in Cart: 0Quantity:Price:MSRP: $163.95Now: $147.56Was: $163.95Subtotal: -
On Sale
S&S CYCLE Crankpin - Big Twin 34-2102
S&S CYCLE
MSRP: $163.95Now: $147.56Was: $163.95A worn or damaged crankpin is a ticking time bomb for your Big Twin engine—it directly impacts rod bearing life, crankshaft alignment, and overall power delivery. The S&S Cycle Crankpin 34-2102 is a...09210161- SKU:
- 09210161
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- CRANKPIN ASSEMBLY
- TYPE:
- STANDARD
- MATERIAL:
- STEEL
MSRP: $163.95Now: $147.56Was: $163.95 -
On Sale
S&S CYCLE Crankpin - Big Twin 34-2103
S&S CYCLE
MSRP: $163.95Now: $147.56Was: $163.95A worn or damaged crankpin compromises the entire rotating assembly, leading to catastrophic engine failure. The S&S Cycle Crankpin is precision-engineered to OEM specifications and built from...09210162- SKU:
- 09210162
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CRANKPIN ASSEMBLY
- TYPE:
- OVERSIZED
- UNITS:
- EACH
MSRP: $163.95Now: $147.56Was: $163.95Qty in Cart: 0Quantity:Price:MSRP: $163.95Now: $147.56Was: $163.95Subtotal: -
On Sale
S&S CYCLE Crankpin - XL 34-2503
S&S CYCLE
MSRP: $245.95Now: $221.36Was: $245.95The S&S Cycle Crankpin 34-2503 is an essential replacement component for high-mileage big-twin engines or custom builds where factory tolerances have worn beyond serviceable limits. This...09210163- SKU:
- 09210163
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- TYPE:
- STANDARD
- MATERIAL:
- STEEL
- PRODUCT NAME:
- CRANKPIN ASSEMBLY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $245.95Now: $221.36Was: $245.95 -
On Sale
S&S CYCLE Crankpin - XL 34-2602
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95The S&S Cycle Crankpin is a precision-engineered component engineered to withstand the extreme stresses of high-RPM operation and forced induction applications. This OEM-quality crankpin restores...09210164- SKU:
- 09210164
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- TYPE:
- STANDARD
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MATERIAL:
- STEEL
- UNITS:
- EACH
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Pinion Shaft - Big Twin 33-2021
S&S CYCLE
MSRP: $205.95Now: $185.36Was: $205.95The S&S Cycle Pinion Shaft is engineered for Big Twin engines that demand reliability under sustained load and high RPM conditions. A worn or damaged pinion shaft compromises primary drive efficiency...09210166- SKU:
- 09210166
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MATERIAL:
- STEEL
- UNITS:
- EACH
- PRODUCT NAME:
- PINION SHAFT ASSEMBLY
- RIDING STYLE:
- STREET
MSRP: $205.95Now: $185.36Was: $205.95 -
On Sale
S&S CYCLE Pinion Shaft - Big Twin 33-2024
S&S CYCLE
MSRP: $199.95Now: $179.96Was: $199.95The S&S Cycle Pinion Shaft is engineered for Big Twin engines that demand reliable, precision-machined drivetrain components. A quality pinion shaft ensures smooth power delivery and longevity under...09210167- SKU:
- 09210167
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- MATERIAL:
- STEEL
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- PINION SHAFT ASSEMBLY
MSRP: $199.95Now: $179.96Was: $199.95Qty in Cart: 0Quantity:Price:MSRP: $199.95Now: $179.96Was: $199.95Subtotal: -
On Sale
S&S CYCLE Pinion Shaft - Big Twin 33-2027
S&S CYCLE
MSRP: $183.95Now: $165.56Was: $183.95The S&S Cycle Pinion Shaft is a critical drivetrain component for Big Twin engines, engineered to handle the increased torque loads of performance builds. Whether you're upgrading your primary drive...09210168- SKU:
- 09210168
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- UNITS:
- EACH
- MATERIAL:
- STEEL
- PRODUCT NAME:
- PINION SHAFT ASSEMBLY
- RIDING STYLE:
- STREET
MSRP: $183.95Now: $165.56Was: $183.95 -
On Sale
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0361
S&S CYCLE
MSRP: $1,695.95Now: $1,526.36Was: $1,695.95If you're building a high-output stroker engine, your factory flywheel won't cut it. The S&S CYCLE Stroker Flywheel is engineered to handle the increased loads and rotational forces of a larger...09210524- SKU:
- 09210524
- Availability:
- Ships Same Business Day
- Weight:
- 39.40 LBS
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'A' MOTOR
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- EACH
MSRP: $1,695.95Now: $1,526.36Was: $1,695.95 -
On Sale
S&S CYCLE Motor Sprocket Shaft Assembly '36-'51 Big Twin 33-2001
S&S CYCLE
MSRP: $183.95Now: $165.56Was: $183.95The S&S Cycle Motor Sprocket Shaft Assembly is the foundation of reliable primary drive engagement on your Big Twin. A worn or damaged sprocket shaft compromises both power delivery and bearing...09210556- SKU:
- 09210556
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- SPROCKET SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
MSRP: $183.95Now: $165.56Was: $183.95Qty in Cart: 0Quantity:Price:MSRP: $183.95Now: $165.56Was: $183.95Subtotal: -
On Sale
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0396
S&S CYCLE
MSRP: $1,794.95Now: $1,615.46Was: $1,794.95If you're pushing your Twin Cam beyond stock limits, a quality flywheel is non-negotiable. The S&S Cycle Stroker Flywheel handles the increased rotational demands of a stroker build while maintaining...09220120- SKU:
- 09220120
- Availability:
- Ships Same Business Day
- Weight:
- 38.73 LBS
- FEATURES:
- WITH SPROCKET BEARING RACE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- ENGINE TYPE:
- 'B' MOTOR
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
MSRP: $1,794.95Now: $1,615.46Was: $1,794.95 -
On Sale
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0352
S&S CYCLE
MSRP: $1,695.95Now: $1,526.36Was: $1,695.95If you're building a high-displacement stroker engine, your stock flywheel won't cut it. The S&S CYCLE Stroker Flywheel is engineered to handle the increased rotational loads and stress that come...09220121- SKU:
- 09220121
- Availability:
- Ships Same Business Day
- Weight:
- 38.73 LBS
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'A' MOTOR
- FEATURES:
- WITH SPROCKET BEARING RACE
- MATERIAL:
- STEEL
MSRP: $1,695.95Now: $1,526.36Was: $1,695.95Qty in Cart: 0Quantity:Price:MSRP: $1,695.95Now: $1,526.36Was: $1,695.95Subtotal: -
On Sale
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0358
S&S CYCLE
MSRP: $1,795.95Now: $1,616.36Was: $1,795.95If you're pushing your Twin Cam engine toward higher displacement and increased power output, the stock flywheel becomes your limiting factor. The S&S CYCLE Stroker Flywheel is engineered to handle...09220122- SKU:
- 09220122
- Availability:
- Ships Same Business Day
- Weight:
- 39.44 LBS
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- FEATURES:
- WITH SPROCKET BEARING RACE
- MATERIAL:
- STEEL
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'B' MOTOR
- RIDING STYLE:
- STREET
MSRP: $1,795.95Now: $1,616.36Was: $1,795.95
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.