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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- Price
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On Sale
S&S CYCLE Cam Chest Kit without Cams - Gear Drive - Oil Cooled - Chrome Pushrods - Twin Cam 310-1267
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're serious about cam chest reliability and oil flow efficiency on your Twin Cam, this S&S kit eliminates the bottlenecks that limit performance at high RPM. With 44% increased supply flow and...09251577- SKU:
- 09251577
- Availability:
- Ships Same Business Day
- Weight:
- 8.94 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 - Gear Drive - Oil Cooled - Black Pushrods - Twin Cam 310-1268
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're running a Twin Cam engine at the edge of performance limits, oil cooling and scavenging efficiency directly impact reliability and longevity. The S&S CYCLE Cam Chest Kit eliminates factory...09251578- SKU:
- 09251578
- Availability:
- Ships Same Business Day
- Weight:
- 9.04 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 - Black Pushrods - Twin Cam 310-1270
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're running a Twin Cam engine, oil management directly impacts reliability and valve train longevity. This S&S Cycle Cam Chest Kit eliminates factory inefficiencies with independent scavenge...09251580- SKU:
- 09251580
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 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 - Chrome Pushrods - Twin Cam 310-1271
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're running a Twin Cam engine, oil management and valve train reliability are non-negotiable. The S&S Cycle Cam Chest Kit eliminates weak OEM design points with precision billet construction,...09251581- SKU:
- 09251581
- Availability:
- Ships Same Business Day
- Weight:
- 7.76 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 - Black Pushrods - Twin Cam 310-1272
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're running a Twin Cam engine, cam chest integrity directly impacts oil delivery, valve train stability, and overall reliability under sustained RPM loads. The S&S Cycle Cam Chest Kit...09251582- SKU:
- 09251582
- Availability:
- Ships Same Business Day
- Weight:
- 7.75 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 - Chrome Pushrods - Twin Cam 310-1273
S&S CYCLE
MSRP: $1,522.95Now: $1,370.66Was: $1,522.95If you're running a Twin Cam engine, oil management directly impacts reliability and longevity. This S&S Cycle Cam Chest Kit delivers optimized oil flow and reduced parasitic drag through its...09251583- SKU:
- 09251583
- Availability:
- Ships Same Business Day
- Weight:
- 7.59 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 Billet Head Breather Kit - Anodized Blue - M8 900-1186
S&S CYCLE
MSRP: $299.95Now: $269.96Was: $299.95If you're running an M8 Harley and tired of excessive oil blow-by fouling your intake and burning off in the combustion chamber, upgrading to a quality billet breather kit isn't optional—it's...09300243- SKU:
- 09300243
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $299.95Now: $269.96Was: $299.95Qty in Cart: 0Quantity:Price:MSRP: $299.95Now: $269.96Was: $299.95Subtotal: -
On Sale
S&S CYCLE Replacement Fuel Rail Kit - Black - M8 Touring 160-0280
S&S CYCLE
MSRP: $129.95Now: $116.96Was: $129.95The OEM plastic fuel rail on your M8 Touring is a known weak point—prone to cracking under heat and vibration, which can compromise fuel delivery and reliability. The S&S Cycle Replacement Fuel Rail...10220295- SKU:
- 10220295
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $129.95Now: $116.96Was: $129.95Qty in Cart: 0Quantity:Price:MSRP: $129.95Now: $116.96Was: $129.95Subtotal: -
On Sale
S&S CYCLE Replacement Fuel Rail Kit - Black - M8 Softail 160-0287
S&S CYCLE
MSRP: $99.95Now: $89.96Was: $99.95The OEM plastic fuel rail on your M8 Softail is a known failure point—cracks and leaks are inevitable with age and heat exposure. This S&S Cycle replacement eliminates that vulnerability with a...10220296- SKU:
- 10220296
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
MSRP: $99.95Now: $89.96Was: $99.95Qty in Cart: 0Quantity:Price:MSRP: $99.95Now: $89.96Was: $99.95Subtotal: -
On Sale
S&S CYCLE Grand National Slip-On Muffler - Brushed Stainless Steel - X*500 550-1114
S&S CYCLE
MSRP: $449.95Now: $404.96Was: $449.95If you're building a performance exhaust system that delivers genuine power gains without compromise, the S&S Cycle Grand National Slip-On Muffler offers the flow characteristics and sound profile...18011809- SKU:
- 18011809
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
MSRP: $449.95Now: $404.96Was: $449.95 -
On Sale
S&S CYCLE MK136 Black Edition Engine - 550G Gear Drive - Oil Cooled - Race Only - M8 Touring 310-1289
S&S CYCLE
MSRP: $11,999.95Now: $10,799.96Was: $11,999.95The S&S Cycle MK136 Black Edition is purpose-built for M8 Touring platforms where race-level performance demands precision engineering and reliability under extreme conditions. This is not a modified...09010264- SKU:
- 09010264
- Availability:
- Ships Same Business Day
- Weight:
- 157.00 LBS
MSRP: $11,999.95Now: $10,799.96Was: $11,999.95Qty in Cart: 0Quantity:Price:MSRP: $11,999.95Now: $10,799.96Was: $11,999.95Subtotal: -
On Sale
S&S CYCLE MK136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring 310-1290
S&S CYCLE
MSRP: $11,999.95Now: $10,799.96Was: $11,999.95The S&S Cycle MK136 Black Edition delivers serious displacement and performance gains without compromising the stock engine footprint of your M8 Touring. High-flow cylinder heads,...09010265- SKU:
- 09010265
- Availability:
- Ships Same Business Day
- Weight:
- 174.00 LBS
MSRP: $11,999.95Now: $10,799.96Was: $11,999.95Qty in Cart: 0Quantity:Price:MSRP: $11,999.95Now: $10,799.96Was: $11,999.95Subtotal: -
On Sale
S&S CYCLE Grand National Slip-On Mufflers - Black - 50-State 550-1121
S&S CYCLE
MSRP: $469.95Now: $422.96Was: $469.95If you're running a Scout with stock exhaust, you're leaving horsepower and attitude on the table. These S&S Cycle Grand National slip-ons bolt directly to your factory headers and deliver a deeper,...18114677- SKU:
- 18114677
- Availability:
- Ships Same Business Day
- Weight:
- 13.20 LBS
MSRP: $469.95Now: $422.96Was: $469.95 -
On Sale
S&S CYCLE Grand National Slip-On Mufflers - Chrome - 50-State 550-1122
S&S CYCLE
MSRP: $469.95Now: $422.96Was: $469.95If you're running a Scout and want to unleash its true character, these slip-ons deliver the aggressive exhaust note your engine deserves without sacrificing street legality or requiring expensive...18114678- SKU:
- 18114678
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
MSRP: $469.95Now: $422.96Was: $469.95 -
On Sale
S&S CYCLE 4-1/2" MK45 Performance Slip-On Mufflers - Lava Chrome - 50-State 550-1113
S&S CYCLE
MSRP: $922.95Now: $830.66Was: $922.95If you're running a Harley-Davidson and want a slip-on that delivers genuine performance gains without sacrificing street legality, the S&S Cycle MK45 exhaust is built to meet that demand. The...18011810- SKU:
- 18011810
- Availability:
- Ships Same Business Day
- Weight:
- 26.60 LBS
MSRP: $922.95Now: $830.66Was: $922.95 -
On Sale
S&S CYCLE Heavy Duty Compensator Ramp - Gray - M8 560-0360
S&S CYCLE
MSRP: $349.95Now: $314.96Was: $349.95A worn or compromised compensator ramp directly impacts engine reliability and clutch performance on your M8—especially under load or aggressive riding conditions. This S&S Cycle heavy-duty...11200459- SKU:
- 11200459
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
MSRP: $349.95Now: $314.96Was: $349.95Qty in Cart: 0Quantity:Price:MSRP: $349.95Now: $314.96Was: $349.95Subtotal: -
On Sale
S&S CYCLE Oil Change Kit - Black Filter - '99-'17 Twin Cam - 4 US quarts 218943
S&S CYCLE
MSRP: $109.22Now: $98.30Was: $109.22Regular oil changes are non-negotiable for Twin Cam longevity, and this S&S Cycle kit eliminates guesswork by bundling everything you need in one purchase. The formulation's elevated zinc and...36010899- SKU:
- 36010899
- Availability:
- Ships Same Business Day
- Weight:
- 8.90 LBS
MSRP: $109.22Now: $98.30Was: $109.22 -
On Sale
S&S CYCLE Oil Change Kit - Black Filter - '84-'99 Big Twin/'86-'22 Sportster - 4 US quarts 218941
S&S CYCLE
MSRP: $109.22Now: $98.30Was: $109.22Regular oil changes are non-negotiable for V-Twin reliability, and using the wrong product leaves your engine vulnerable to accelerated wear and thermal stress. The S&S Cycle Oil Change Kit...36010900- SKU:
- 36010900
- Availability:
- Ships Same Business Day
- Weight:
- 8.65 LBS
MSRP: $109.22Now: $98.30Was: $109.22 -
On Sale
S&S CYCLE Slip-On Muffler - Brushed Stainless Steel - 50-State - Pan American 550-1081
S&S CYCLE
MSRP: $922.95Now: $830.66Was: $922.95A quality slip-on muffler transforms your ride's character without sacrificing practicality or legality. This S&S Cycle unit delivers a noticeably deeper tone while shedding unnecessary weight, and...18011811- SKU:
- 18011811
- Availability:
- Ships Same Business Day
- Weight:
- 15.40 LBS
MSRP: $922.95Now: $830.66Was: $922.95 -
On Sale
S&S CYCLE Drive Belt - 131 Tooth - 1" - Dyna 560-0390
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or undersized drive belt will rob your Dyna of reliable power transfer and leave you stranded on the road. The S&S Cycle 131-tooth belt delivers the tensile strength and minimal stretch needed...12040246- SKU:
- 12040246
- Availability:
- Ships Same Business Day
- Weight:
- 1.76 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Drive Belt - 133 Tooth - 1" - Softail 560-0391
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or damaged drive belt compromises your Softail's primary power transmission and can leave you stranded. The S&S Cycle 133-tooth belt delivers the durability and precision fitment your bike...12040247- SKU:
- 12040247
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Drive Belt - 136 Tooth - 1" - Sportster 560-0392
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or damaged drive belt compromises your Sportster's power delivery and reliability on the road. The S&S Cycle 136-tooth belt uses Gates Poly/Carbon X7N material to eliminate stretch and...12040248- SKU:
- 12040248
- Availability:
- Ships Same Business Day
- Weight:
- 1.74 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Drive Belt - 137 Tooth - 1" - Touring/Softail/Sportser 560-0393
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or slipping drive belt compromises power transfer and reliability—exactly what you can't afford on the road or at the track. The S&S Cycle 137-tooth belt delivers the durability and minimal...12040249- SKU:
- 12040249
- Availability:
- Ships Same Business Day
- Weight:
- 1.86 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Drive Belt - 133 Tooth - 20 mm - FLSTF/FLSTSB, FXST/B/C 560-0395
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or damaged drive belt compromises power transfer and reliability—two things you can't afford to lose on your Harley-Davidson. This S&S Cycle belt delivers the tensile strength and minimal...12040251- SKU:
- 12040251
- Availability:
- Ships Same Business Day
- Weight:
- 1.47 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Drive Belt - 133 Tooth - 24 mm - Softail 560-0396
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or slipping drive belt directly impacts your Softail's reliability and rideability—and replacing it with a premium OEM-spec belt ensures consistent power transfer and eliminates the guesswork...12040252- SKU:
- 12040252
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Drive Belt - 134 Tooth - 24 mm - M8 Softail 560-0397
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or compromised drive belt doesn't just cost you performance—it risks catastrophic engine damage and unexpected downtime. The S&S Cycle 134-tooth belt delivers the reliability and durability...12040253- SKU:
- 12040253
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
MSRP: $189.95Now: $170.96Was: $189.95Qty in Cart: 0Quantity:Price:MSRP: $189.95Now: $170.96Was: $189.95Subtotal: -
On Sale
S&S CYCLE Drive Belt - 140 Tooth - 24 mm - Touring 560-0398
S&S CYCLE
MSRP: $189.95Now: $170.96Was: $189.95A worn or slipping drive belt compromises power transfer and reliability—especially critical in touring applications where consistent performance matters. The S&S Cycle 140-tooth belt uses Gates...12040254- SKU:
- 12040254
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
MSRP: $189.95Now: $170.96Was: $189.95 -
On Sale
S&S CYCLE Replacement Fuel Rail - Polaris 560-0362
S&S CYCLE
MSRP: $299.95Now: $269.96Was: $299.95Stock fuel rails limit your engine's potential by restricting fuel volume and allowing pressure fluctuations that compromise combustion consistency. The S&S Cycle Replacement Fuel Rail eliminates...10220298- SKU:
- 10220298
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
MSRP: $299.95Now: $269.96Was: $299.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - Stainless - 49-State - Indian Chief 550-1115
S&S CYCLE
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95If you're serious about extracting maximum power from your Indian Chief, this S&S Cycle 2-into-1 Qualifier exhaust system delivers the performance gains you need without compromise. Built on proven...18103210- SKU:
- 18103210
- Availability:
- Ships Same Business Day
- Weight:
- 28.20 LBS
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95 -
On Sale
S&S CYCLE 2-into-1 Qualifier Exhaust System - Guardian Black - 49-State - Indian Chief 550-1116
S&S CYCLE
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95If you're running an Indian Chief and want measurable horsepower gains without compromise, the S&S Cycle 2-into-1 Qualifier Exhaust System delivers the flow characteristics proven in King of The...18103211- SKU:
- 18103211
- Availability:
- Ships Same Business Day
- Weight:
- 28.20 LBS
MSRP: $1,746.95Now: $1,572.26Was: $1,746.95Qty in Cart: 0Quantity:Price:MSRP: $1,746.95Now: $1,572.26Was: $1,746.95Subtotal: -
On Sale
S&S CYCLE Piston Cooling Jet Kit - Twin Cam 310-1251
S&S CYCLE
MSRP: $89.95Now: $80.96Was: $89.95Piston cooling directly impacts engine longevity and reliability—especially under sustained high-RPM operation where stock cooling jets often fall short. The S&S Cycle Piston Cooling Jet Kit delivers...09501040- SKU:
- 09501040
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
MSRP: $89.95Now: $80.96Was: $89.95Qty in Cart: 0Quantity:Price:MSRP: $89.95Now: $80.96Was: $89.95Subtotal: -
On Sale
S&S CYCLE 4" Grand National Slip-On Muffler - Stainless Steel - Sportster S 550-1111
S&S CYCLE
MSRP: $1,231.95Now: $1,108.76Was: $1,231.95The S&S Cycle Grand National slip-on delivers the aggressive sound and styling that Sportster S riders demand, while the removable dB reducer gives you legal street compliance without sacrificing...18011836- SKU:
- 18011836
- Availability:
- Ships Same Business Day
- Weight:
- 20.00 LBS
MSRP: $1,231.95Now: $1,108.76Was: $1,231.95Qty in Cart: 0Quantity:Price:MSRP: $1,231.95Now: $1,108.76Was: $1,231.95Subtotal: -
On Sale
S&S CYCLE 2-into-1 Sidewinder Exhaust System - Lava Chrome - 50-State - M8 550-1123
S&S CYCLE
MSRP: $1,798.95Now: $1,619.06Was: $1,798.95If you're running a high-performance bagger, exhaust flow and engine efficiency directly impact your power delivery and throttle response. The S&S Cycle 2-into-1 Sidewinder consolidates dual exhaust...18002723- SKU:
- 18002723
- Availability:
- Ships Same Business Day
- Weight:
- 34.90 LBS
MSRP: $1,798.95Now: $1,619.06Was: $1,798.95 -
On Sale
S&S CYCLE 2-into-1 Sidewinder Exhaust System - 50-State - Chrome - M8 Touring 550-0758
S&S CYCLE
MSRP: $1,540.95Now: $1,386.86Was: $1,540.95The S&S Cycle 2-into-1 Sidewinder exhaust system delivers measurable increases in power and torque for your M8 Touring while maintaining 50-state emissions compliance—no tuning compromises required...18002731- SKU:
- 18002731
- Availability:
- Ships Same Business Day
- Weight:
- 34.50 LBS
MSRP: $1,540.95Now: $1,386.86Was: $1,540.95 -
On Sale
S&S CYCLE 2-into-1 Sidewinder Exhaust System - 50-State - Black - M8 Touring 550-0759
S&S CYCLE
MSRP: $1,540.95Now: $1,386.86Was: $1,540.95The S&S Cycle 2-into-1 Sidewinder Exhaust System delivers measurable gains in power and torque for your M8 Touring, while the aggressive sidewinder design provides undeniable visual impact. This...18002732- SKU:
- 18002732
- Availability:
- Ships Same Business Day
- Weight:
- 34.50 LBS
MSRP: $1,540.95Now: $1,386.86Was: $1,540.95 -
On Sale
S&S CYCLE Grand National Slip-On Mufflers - Chrome - 49-State 4110-156
S&S CYCLE
MSRP: $922.95Now: $830.66Was: $922.95If you're running a V-Twin and tired of looking at restrictive, oversized factory exhaust hardware, the S&S Cycle Grand National slip-ons deliver the aesthetic cleanup and aggressive sound your bike...18114517- SKU:
- 18114517
- Availability:
- Ships Same Business Day
- Weight:
- 19.20 LBS
- COLOR/FINISH:
- SHOW CHROME
- MODEL:
- GRAND NATIONAL
- UNITS:
- PAIR
- BASE FINISH:
- CHROME
- END CAP MATERIAL:
- ALUMINUM
- BASE COLOR:
- SILVER
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
MSRP: $922.95Now: $830.66Was: $922.95 -
On Sale
S&S CYCLE Grand National Slip-On Mufflers - Chrome - Race Only 4110-156-R
S&S CYCLE
MSRP: $669.95Now: $602.96Was: $669.95If you're serious about track performance, your exhaust system needs to match your commitment. The S&S Cycle Grand National Slip-On Mufflers deliver a significant power increase while eliminating...18114518- SKU:
- 18114518
- Availability:
- Ships Same Business Day
- Weight:
- 19.40 LBS
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- STREET
- BASE FINISH:
- CHROME
- END CAP MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- SHOW CHROME
- MODEL:
- GRAND NATIONAL
- TYPE:
- SLIP-ON
- UNITS:
- PAIR
- BASE COLOR:
- SILVER
MSRP: $669.95Now: $602.96Was: $669.95 -
On Sale
S&S CYCLE Grand National Slip-On Mufflers - Black - 49-State 4110-266
S&S CYCLE
MSRP: $895.95Now: $806.36Was: $895.95If your V-Twin's exhaust is restricting performance and killing your bike's character, these slip-ons deliver both power and attitude in one bolt-on upgrade. The S&S Grand National mufflers combine a...18114519- SKU:
- 18114519
- Availability:
- Ships Same Business Day
- Weight:
- 19.25 LBS
- COLOR/FINISH:
- GUARDIAN BLACK
- TYPE:
- SLIP-ON
- UNITS:
- PAIR
- MODEL:
- GRAND NATIONAL
- BASE FINISH:
- NICKEL
- END CAP MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- MUFFLER
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
MSRP: $895.95Now: $806.36Was: $895.95 -
On Sale
S&S CYCLE Grand National Slip-On Mufflers - Black - Race Only 4110-266-R
S&S CYCLE
MSRP: $649.95Now: $584.96Was: $649.95If you're chasing lap times on the track, exhaust flow and weight reduction are non-negotiable. The S&S Cycle Grand National Slip-On Mufflers deliver measurable performance gains while eliminating...18114520- SKU:
- 18114520
- Availability:
- Ships Same Business Day
- Weight:
- 19.45 LBS
- COLOR/FINISH:
- GUARDIAN BLACK
- MODEL:
- GRAND NATIONAL
- UNITS:
- PAIR
- END CAP MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- BASE FINISH:
- NICKEL
- PRODUCT NAME:
- MUFFLER
- TYPE:
- SLIP-ON
MSRP: $649.95Now: $584.96Was: $649.95 -
On Sale
S&S CYCLE Piston Cooling Jet Kit - M8 310-1203
S&S CYCLE
MSRP: $119.95Now: $107.96Was: $119.95Piston cooling directly impacts engine longevity and peak performance—especially in high-boost or extended-duration racing applications where thermal stress accelerates wear. The S&S CYCLE Piston...09501025- SKU:
- 09501025
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- BILLET
- PRODUCT NAME:
- JET KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ALUMINUM
- MATERIAL:
- 6061 T-6 ALUMINUM
- TYPE:
- PISTON COOLING
- UNITS:
- KIT
MSRP: $119.95Now: $107.96Was: $119.95
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.
