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!
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On Sale
S&S CYCLE 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Highlighted Fins - M8 310-1223
S&S CYCLE
MSRP: $3,359.95Now: $3,023.96Was: $3,359.95If you're running a 107" M8 and want genuine power without tearing down your engine, the S&S Cycle 129" Power Package delivers a straightforward displacement increase that commands respect on the...09040100- SKU:
- 09040100
- Availability:
- Ships Same Business Day
- Weight:
- 43.50 LBS
MSRP: $3,359.95Now: $3,023.96Was: $3,359.95 -
On Sale
S&S CYCLE 132" Power Package Engine Performance Kit - Chain Drive - Water Cooled - Highlighted Fins - M8 310-1235
S&S CYCLE
MSRP: $3,359.95Now: $3,023.96Was: $3,359.95If you're running a 114" or 117" water-cooled M8, you're leaving serious power on the table. The S&S Cycle 132" Power Package transforms your engine into a genuine 132" displacement beast, delivering...09040103- SKU:
- 09040103
- Availability:
- Ships Same Business Day
- Weight:
- 43.40 LBS
MSRP: $3,359.95Now: $3,023.96Was: $3,359.95Qty in Cart: 0Quantity:Price:MSRP: $3,359.95Now: $3,023.96Was: $3,359.95Subtotal: -
On Sale
S&S CYCLE 132" Power Package Engine Performance Kit - Gear Drive - Water Cooled - Highlighted Fins - M8 310-1230
S&S CYCLE
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95If you're running a 114" or 117" M8, this S&S Cycle Power Package delivers a straightforward path to 132 cubic inches of displacement without compromising reliability or requiring complete engine...09040107- SKU:
- 09040107
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95Qty in Cart: 0Quantity:Price:MSRP: $3,559.95Now: $3,203.96Was: $3,559.95Subtotal: -
On Sale
S&S CYCLE 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 310-1224
S&S CYCLE
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95If you're running a 107" M8 and want measurable power gains without case machining, this 129" kit delivers a straightforward path to increased displacement and performance. You get a complete...09040108- SKU:
- 09040108
- Availability:
- Ships Same Business Day
- Weight:
- 44.55 LBS
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95 -
On Sale
S&S CYCLE 132" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1234
S&S CYCLE
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95If you're running a 114" or 117" M8 and want serious power without a complete engine rebuild, the S&S Cycle 132" Power Package delivers displacement and performance in one bolt-together solution...09040109- SKU:
- 09040109
- Availability:
- Ships Same Business Day
- Weight:
- 45.30 LBS
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95 -
On Sale
S&S CYCLE 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Non-Highlighted Fins - M8 310-1228
S&S CYCLE
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95If you're running a 107" M8 and want serious displacement gains without tearing down your engine or machining your cases, the S&S Cycle 129" Power Package delivers the cc's and performance you need...09040113- SKU:
- 09040113
- Availability:
- Ships Same Business Day
- Weight:
- 45.05 LBS
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95 -
On Sale
S&S CYCLE 129" Power Package Engine Performance Kit - Gear Drive - Oil Cooled - Highlighted Fins - M8 310-1227
S&S CYCLE
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95If you're running an M8 and want genuine power gains without major engine teardown, the S&S Cycle 129" Power Package delivers a straightforward path to 22 additional cubic inches of displacement...09040114- SKU:
- 09040114
- Availability:
- Ships Same Business Day
- Weight:
- 44.80 LBS
MSRP: $3,559.95Now: $3,203.96Was: $3,559.95 -
On Sale
S&S CYCLE Cylinder Stud Kit - '17-'23 M8 Models 310-1204
S&S CYCLE
MSRP: $99.95Now: $89.96Was: $99.95Stock cylinder studs can fail under high-load conditions, leading to catastrophic engine damage and costly downtime. The S&S Cycle Cylinder Stud Kit replaces OEM hardware with precision-engineered...24011622- SKU:
- 24011622
- Availability:
- Ships Same Business Day
- Weight:
- 1.59 LBS
MSRP: $99.95Now: $89.96Was: $99.95Qty in Cart: 0Quantity:Price:MSRP: $99.95Now: $89.96Was: $99.95Subtotal: -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - Brushed 550-1097
S&S CYCLE
MSRP: $1,128.95Now: $1,016.06Was: $1,128.95If you're serious about extracting maximum power from your engine while maintaining reliability and class compliance, the S&S CYCLE 2-into-1 Qualifier delivers proven performance gains through...18002662- SKU:
- 18002662
- Availability:
- Ships Same Business Day
- Weight:
- 26.65 LBS
MSRP: $1,128.95Now: $1,016.06Was: $1,128.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - Guardian Black 550-1098
S&S CYCLE
MSRP: $1,128.95Now: $1,016.06Was: $1,128.95If you're serious about extracting every bit of performance from your bike, a properly engineered exhaust system is non-negotiable. The S&S Cycle 2-into-1 Qualifier uses computer-optimized stepped...18002663- SKU:
- 18002663
- Availability:
- Ships Same Business Day
- Weight:
- 26.70 LBS
MSRP: $1,128.95Now: $1,016.06Was: $1,128.95 -
On Sale
S&S CYCLE T124 Long Block Engine- Stone Gray - Touring 310-0511A
S&S CYCLE
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95The S&S Cycle T124 long block delivers big-displacement power without requiring a complete engine teardown and rebuild. Factory-fresh from S&S with premium internals—Super Stock heads, high-flow oil...09010260- SKU:
- 09010260
- Availability:
- Ships Same Business Day
- Weight:
- 157.00 LBS
MSRP: $8,595.95Now: $7,736.36Was: $8,595.95Qty in Cart: 0Quantity:Price:MSRP: $8,595.95Now: $7,736.36Was: $8,595.95Subtotal: -
On Sale
S&S CYCLE Engine Case - MK-Series - M8 Touring 310-1170
S&S CYCLE
MSRP: $2,499.95Now: $2,249.96Was: $2,499.95If you're building a high-performance M8 Touring engine or restoring one to OEM specifications, you need a crankcase that won't fail under sustained load. The S&S Cycle MK-Series engine case is...09200239- SKU:
- 09200239
- Availability:
- Ships Same Business Day
- Weight:
- 41.70 LBS
MSRP: $2,499.95Now: $2,249.96Was: $2,499.95 -
On Sale
S&S CYCLE Cam Sprocket - Adjustable - Polaris 330-0753
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95Fine-tune your Polaris engine's power delivery with the S&S Cycle adjustable cam sprocket. This precision component gives you ±10° of camshaft timing adjustment, allowing you to dial in peak torque...09251512- SKU:
- 09251512
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - Race Only - Brushed - Stainless Steel 550-1082
S&S CYCLE
MSRP: $1,647.95Now: $1,483.16Was: $1,647.95If you're running a big-inch V-twin in closed-course competition, your exhaust system needs to flow hard and stay cool under sustained load. The S&S Cycle 2-into-1 Qualifier delivers both—a race-bred...18103174- SKU:
- 18103174
- Availability:
- Ships Same Business Day
- Weight:
- 33.65 LBS
MSRP: $1,647.95Now: $1,483.16Was: $1,647.95Qty in Cart: 0Quantity:Price:MSRP: $1,647.95Now: $1,483.16Was: $1,647.95Subtotal: -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - 50-State - Brushed - Stainless Steel 550-1083
S&S CYCLE
MSRP: $2,059.95Now: $1,853.96Was: $2,059.95The S&S Cycle 2-into-1 Qualifier Exhaust System delivers measurable horsepower gains while providing the aggressive styling that turns heads. Born from S&S's King of the Baggers racing program, this...18103175- SKU:
- 18103175
- Availability:
- Ships Same Business Day
- Weight:
- 34.55 LBS
MSRP: $2,059.95Now: $1,853.96Was: $2,059.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - Race Only - Black - Stainless Steel 550-1084
S&S CYCLE
MSRP: $1,647.95Now: $1,483.16Was: $1,647.95If you're serious about closed-course competition, your exhaust system can't be an afterthought—it's a critical component for extracting maximum horsepower and torque from your engine. The S&S Cycle...18103176- SKU:
- 18103176
- Availability:
- Ships Same Business Day
- Weight:
- 33.80 LBS
MSRP: $1,647.95Now: $1,483.16Was: $1,647.95Qty in Cart: 0Quantity:Price:MSRP: $1,647.95Now: $1,483.16Was: $1,647.95Subtotal: -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - 50-State - Black - Stainless Steel 550-1085
S&S CYCLE
MSRP: $2,059.95Now: $1,853.96Was: $2,059.95If you're running a cruiser that demands serious power and presence, the S&S Cycle 2-into-1 Qualifier delivers both. Born from S&S's King of the Baggers racing program, this exhaust system combines...18103177- SKU:
- 18103177
- Availability:
- Ships Same Business Day
- Weight:
- 34.80 LBS
MSRP: $2,059.95Now: $1,853.96Was: $2,059.95 -
On Sale
S&S CYCLE Cam Phaser Tool - Spool Valve - M8 CVO 530-0072
S&S CYCLE
MSRP: $74.95Now: $67.46Was: $74.95Professional cam chest service requires controlled access to internal components—this tool gives you that precision. Whether you're performing routine maintenance or rebuilding, the S&S Cycle Cam...38010434- SKU:
- 38010434
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
MSRP: $74.95Now: $67.46Was: $74.95Qty in Cart: 0Quantity:Price:MSRP: $74.95Now: $67.46Was: $74.95Subtotal: -
On Sale
S&S CYCLE 136" Big Bore Cylinder Kit - Black - M8 910-0849
S&S CYCLE
MSRP: $1,599.95Now: $1,439.96Was: $1,599.95If you're serious about extracting maximum displacement from your M8 platform without the cost and downtime of crankcase machining, the S&S Cycle 136" Big Bore Cylinder Kit is the most efficient path...09311167- SKU:
- 09311167
- Availability:
- Ships Same Business Day
- Weight:
- 28.80 LBS
MSRP: $1,599.95Now: $1,439.96Was: $1,599.95Qty in Cart: 0Quantity:Price:MSRP: $1,599.95Now: $1,439.96Was: $1,599.95Subtotal: -
On Sale
S&S CYCLE 136 " Big Bore Cylinder Kit -Black Granite/ Highlighted Fins - M8 910-0850
S&S CYCLE
MSRP: $1,643.95Now: $1,479.56Was: $1,643.95If you're running a Harley-Davidson M8 and want to unlock serious displacement gains without boring out your crankcases, the S&S Cycle 136" Big Bore Cylinder Kit is the straightforward path to more...09311168- SKU:
- 09311168
- Availability:
- Ships Same Business Day
- Weight:
- 28.75 LBS
MSRP: $1,643.95Now: $1,479.56Was: $1,643.95Qty in Cart: 0Quantity:Price:MSRP: $1,643.95Now: $1,479.56Was: $1,643.95Subtotal: -
On Sale
S&S CYCLE Saddlebag Mounting Bracket Kit - Indian Challenger 550-1102
S&S CYCLE
MSRP: $399.95Now: $359.96Was: $399.95If you've already invested in an S&S Cycle 2-1 exhaust system for your Indian Challenger, this mounting bracket kit lets you reclaim valuable real estate on your bike without compromising your...18611732- SKU:
- 18611732
- Availability:
- Ships Same Business Day
- Weight:
- 8.80 LBS
MSRP: $399.95Now: $359.96Was: $399.95Qty in Cart: 0Quantity:Price:MSRP: $399.95Now: $359.96Was: $399.95Subtotal: -
On Sale
S&S CYCLE Brake Pedal - Mid-Mount - Black 560-0370
S&S CYCLE
MSRP: $349.95Now: $314.96Was: $349.95If you're running S&S performance exhaust on a mid-mount setup, ground clearance conflicts with stock foot controls are a common headache. This S&S billet brake pedal solves that problem with...16100709- SKU:
- 16100709
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
MSRP: $349.95Now: $314.96Was: $349.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - 50-State - Silver - Softail 550-1103
S&S CYCLE
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95A 2-into-1 exhaust system is fundamental to unlocking your Softail's performance potential—the stepped header design pulls exhaust gases more efficiently, reducing backpressure and delivering...18002682- SKU:
- 18002682
- Availability:
- Ships Same Business Day
- Weight:
- 27.95 LBS
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - 50-State - Black - Softail 550-1104
S&S CYCLE
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95A 2-into-1 exhaust system is fundamental to unlocking your Softail's full potential—the stepped header design extracts power while the precision bends preserve ground clearance that cruisers demand...18002683- SKU:
- 18002683
- Availability:
- Ships Same Business Day
- Weight:
- 26.90 LBS
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - Race Only - Brushed Stainless 550-1105
S&S CYCLE
MSRP: $1,338.95Now: $1,205.06Was: $1,338.95If you're running closed-course competition and need to shed weight while unlocking peak power, the S&S CYCLE 2-into-1 Qualifier delivers the exhaust flow dynamics proven on King of the Baggers race...18002684- SKU:
- 18002684
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
MSRP: $1,338.95Now: $1,205.06Was: $1,338.95Qty in Cart: 0Quantity:Price:MSRP: $1,338.95Now: $1,205.06Was: $1,338.95Subtotal: -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - 50-State - Silver 550-1108
S&S CYCLE
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95If you're running a Harley and want measurable horsepower gains without compromising street legality, the S&S Cycle 2-into-1 Qualifier delivers. This full stainless steel system combines a...18002687- SKU:
- 18002687
- Availability:
- Ships Same Business Day
- Weight:
- 30.00 LBS
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - 50-State - Black 550-1110
S&S CYCLE
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95If you're serious about maximizing power from your engine while maintaining 50-state emissions compliance, the S&S CYCLE 2-into-1 Qualifier delivers proven performance gains through intelligent...18002689- SKU:
- 18002689
- Availability:
- Ships Same Business Day
- Weight:
- 30.40 LBS
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95 -
On Sale
S&S CYCLE 2-into-1 Superstreet Exhaust System - Brushed Stainless Steel 550-1099
S&S CYCLE
MSRP: $1,338.95Now: $1,205.06Was: $1,338.95A true 2-into-1 design delivers the performance header scavenging and classic aesthetics that serious riders demand—without compromise. The fully heat-shielded construction keeps underbody temps in...18002692- SKU:
- 18002692
- Availability:
- Ships Same Business Day
- Weight:
- 28.15 LBS
MSRP: $1,338.95Now: $1,205.06Was: $1,338.95 -
On Sale
S&S CYCLE Adjustable Clutch Weight Kit - RZR Pro XP 560-0344
S&S CYCLE
MSRP: $299.95Now: $269.96Was: $299.95Clutch tuning directly impacts your RZR Pro XP's launch characteristics, belt longevity, and overall drivetrain efficiency—and factory settings rarely account for your specific terrain or driving...11400907- SKU:
- 11400907
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
MSRP: $299.95Now: $269.96Was: $299.95 -
On Sale
S&S CYCLE Adjustable Clutch Weight Kit - RZR XP Turbo 560-0345
S&S CYCLE
MSRP: $299.95Now: $269.96Was: $299.95Clutch tuning is critical for maximizing your RZR XP Turbo's performance across varying terrain and riding conditions. This S&S Cycle adjustable weight kit lets you dial in engagement and shift...11400908- SKU:
- 11400908
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
MSRP: $299.95Now: $269.96Was: $299.95 -
On Sale
S&S CYCLE Adjustable Clutch Weight Kit - RZR XP 1000 560-0346
S&S CYCLE
MSRP: $299.95Now: $269.96Was: $299.95Variable clutch engagement is critical for maximizing both performance and drivetrain longevity on your RZR XP 1000. This adjustable weight kit lets you dial in optimal clutching for your specific...11400909- SKU:
- 11400909
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
MSRP: $299.95Now: $269.96Was: $299.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Gear Drive - Oil Cooled - Chrome Pushrods - M8 310-1259
S&S CYCLE
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95If you're running high-rpm applications or forced induction on an M8 platform, your stock cam chest becomes a bottleneck. The S&S Cycle Cam Chest Kit eliminates that constraint with...09251569- SKU:
- 09251569
- Availability:
- Ships Same Business Day
- Weight:
- 10.15 LBS
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Gear Drive - Water Cooled - Black Pushrods - M8 310-1260
S&S CYCLE
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95If you're running a water-cooled M8 and pushing RPMs hard, your cam chest is working overtime. S&S Cycle's Cam Chest Kit delivers precision-machined components engineered to handle elevated output...09251570- SKU:
- 09251570
- Availability:
- Ships Same Business Day
- Weight:
- 10.13 LBS
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Gear Drive - Water Cooled - Chrome Pushrods - M8 310-1261
S&S CYCLE
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95A high-flow cam chest and oil management system is critical for maintaining consistent oil pressure, reducing valvetrain noise, and supporting aggressive engine builds. The S&S Cycle Cam Chest Kit...09251571- SKU:
- 09251571
- Availability:
- Ships Same Business Day
- Weight:
- 9.99 LBS
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Chain Drive - Oil Cooled - Black Pushrods - M8 310-1262
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're running high-RPM performance on your M8, your stock cam chest and oil delivery system will become a bottleneck. The S&S Cycle Cam Chest Kit delivers 44–58% increased flow rates with...09251572- SKU:
- 09251572
- Availability:
- Ships Same Business Day
- Weight:
- 8.71 LBS
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95Qty in Cart: 0Quantity:Price:MSRP: $1,522.95Now: $1,370.66Was: $1,522.95Subtotal: -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Chain Drive - Oil Cooled - Chrome Pushrods - M8 310-1263
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95A high-flow cam chest system is essential for supporting aggressive valve timing, increased boost pressure, and extended RPM limits—especially on turbocharged or supercharged M8 builds where stock...09251573- SKU:
- 09251573
- Availability:
- Ships Same Business Day
- Weight:
- 8.76 LBS
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Chain Drive - Water Cooled - Black Pushrods - M8 310-1264
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95A high-performance cam chest kit demands precision engineering and reliable oil management—especially when you're pushing your M8 to its limits. This S&S Cycle kit delivers independent scavenge...09251574- SKU:
- 09251574
- Availability:
- Ships Same Business Day
- Weight:
- 8.74 LBS
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Chain Drive - Water Cooled - Chrome Pushrods - M8 310-1265
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're building a high-performance M8 engine, your cam chest setup directly impacts oil delivery, valve train reliability, and peak RPM capability. The S&S Cycle Cam Chest Kit delivers...09251575- SKU:
- 09251575
- Availability:
- Ships Same Business Day
- Weight:
- 8.58 LBS
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Gear Drive - Oil Cooled - Black Pushrods - M8 310-1258
S&S CYCLE
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95If you're running an M8 engine at serious RPM, your stock cam chest can't keep pace with your ambitions. This S&S Cycle Cam Chest Kit delivers precision engineering where it matters most—superior oil...09251568- SKU:
- 09251568
- Availability:
- Ships Same Business Day
- Weight:
- 10.31 LBS
MSRP: $1,623.95Now: $1,461.56Was: $1,623.95 -
On Sale
S&S CYCLE Cam Chest Kit without Cams - Gear Drive - Oil Cooled - Black Pushrods - Twin Cam 310-1266
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're running a Twin Cam engine that demands reliable oil delivery and consistent valve train performance at high RPM, this S&S Cycle cam chest kit delivers the precision engineering you need...09251576- SKU:
- 09251576
- Availability:
- Ships Same Business Day
- Weight:
- 9.08 LBS
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95
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.
