S&S Cycle
S&S Cycle delivers premium performance parts for Harley-Davidson motorcycles, blending racing heritage with American engineering. From exhaust systems and air cleaners to the iconic S&S Super E Carburetor and 475 Cam, every component is designed for power, reliability, and precision. Upgrade your Harley with S&S Cycle for unmatched throttle response and durability, whether on the street or the strip.
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S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Guardian Black
S&S Cycle
$1,231.95S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Guardian Black These mufflers feature a race-inspired design and improved horsepower and torque (when...$1,231.95 -
S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome
S&S Cycle
$1,231.95S&S Cycle - Grand National 50 State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used...$1,231.95 -
Out of stock
S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome
S&S Cycle
$1,149.95S&S Cycle - 50 State Slash-Cut Slip-On Mufflers fits '18-'22 Harley Softail Models - Chrome These mufflers are S&S engineered high-flow cats that performs as well as many catalyst-free "race...$1,149.95 -
S&S Cycle - Grand National 50-State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome
S&S Cycle
$1,231.95S&S Cycle - Grand National 50-State Slip-On Mufflers fits '18-'22 Harley M8 Softail Models - Chrome These mufflers feature a race-inspired design and improved horsepower and torque (when used...$1,231.95 -
S&S Cycle - Grand National Slip-On Muffler fits '19-'22 FTR1200 Models
S&S Cycle
$504.95S&S Cycle - Grand National Slip-On Muffler fits '19-'22 FTR1200 Models This muffler features a stainless steel perforated core baffle, wrapped in long-lasting proprietary insulation to deliver a...$504.95 -
S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '09-'22 Touring Models
S&S Cycle
$495.95S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '09-'22 Touring Models S&S Cycle's Shadow Muffler Kit is designed to occupy the left-side cutout in the extended...$495.95 -
S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '95-'08 Touring Models - Chrome
S&S Cycle
$495.95S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '95-'08 Touring Models - Chrome S&S Cycle's Shadow Muffler Kit is designed to occupy the left-side cutout in the...$495.95 -
S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '95-'08 Touring Models - Black
S&S Cycle
$495.95S&S Cycle - Shadow Muffler Kit W/ Black Highlighted Machined End Cap fits '95-'08 Touring Models - Black S&S Cycle's Shadow Muffler Kit is designed to occupy the left-side cutout in the...$495.95 -
Out of stock
S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '17-'23 Touring Models - Guardian Black
S&S Cycle
$819.95S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '17-'23 Touring Models - Guardian Black These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing...$819.95 -
S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '17-'23 Touring Models - Chrome
S&S Cycle
$819.95S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '17-'23 Touring Models - Chrome These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing. They...$819.95 -
S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '95-'16 Harley Touring Models - Guardian Black
S&S Cycle
$819.95S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '95-'16 Harley Touring Models - Guardian Black These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX...$819.95 -
S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '95-'16 Harley Touring Models - Chrome
S&S Cycle
$819.95S&S Cycle - 4-1/2" MK45 Cutlass Performance Mufflers fits '95-'16 Harley Touring Models - Chrome These mufflers feature a bold 4-1/2" design with a stainless steel baffle and RaceTEX packing...$819.95 -
Out of stock
S&S Cycle - 4-1/2" Grand National Slip-On Muffler fits '22 Nightster RH975 Models - Black
S&S Cycle
$510.95S&S Cycle - 4-1/2" Grand National Slip-On Muffler fits '22 Nightster RH975 Models - Black The S&S Cycle Grand National Slip-On for Nightster models perfectly compliments the bike's style...$510.95 -
S&S Cycle - 4" Broadhead Slash Cut Slip-On Mufflers fits '14-'22 Indian Models - Black
S&S Cycle
$871.95S&S Cycle - 4" Broadhead Slash Cut Slip-On Mufflers fits '14-'22 Indian Models - Black Features Removable dB Reducer (J2825 compliant) Sleek look and classic style Made in the U.S.A...$871.95 -
S&S Cycle - 4" Broadhead Slash Cut Slip-On Mufflers fits '14-'22 Indian Models - Chrome
S&S Cycle
$871.95S&S Cycle - 4" Broadhead Slash Cut Slip-On Mufflers fits '14-'22 Indian Models - Chrome Features Removable dB Reducer (J2825 compliant) Sleek look and classic style Made in the U.S.A...$871.95 -
S&S Cycle - 4" Broadhead Fishtail Slip-On Mufflers fits '14-'22 Indian Models - Chrome
S&S Cycle
$871.95S&S Cycle - 4" Broadhead Fishtail Slip-On Mufflers fits '14-'22 Indian Models - Chrome Features Removable dB Reducer (J2825 compliant) Sleek look and classic style Made in the U.S.A...$871.95 -
Out of stock
S&S Cycle - 4-1/2" GNX Slip-On Mufflers fits '95-'16 Harley Touring Models - Guardian Black
S&S Cycle
$593.95S&S Cycle - 4-1/2" GNX Slip-On Mufflers fits '95-'16 Harley Touring Models - Guardian Black These mufflers are SAE J2825 sound level compliant (with included dB installed); dB reducer is...$593.95 -
S&S Cycle - 4-1/2" GNX Slip-On Mufflers fits '95-'16 Harley Touring Models - Chrome
S&S Cycle
$593.95S&S Cycle - 4-1/2" GNX Slip-On Mufflers fits '95-'16 Harley Touring Models - Chrome These mufflers are SAE J2825 sound level compliant (with included dB installed); dB reducer is detachable. The...$593.95 -
S&S Cycle - 49-State Grand National Slip-On Mufflers fits '19-'23 Indian Scout Models - Chrome
S&S Cycle
$895.95S&S Cycle - 49-State Grand National Slip-On Mufflers fits '19-'23 Indian Scout Models - Chrome These mufflers feature a detachable dB reducer (J2825 compliant) to adjust the sound levels and...$895.95 -
S&S Cycle - 50-State Grand National Slip-On Mufflers fits '19-'23 Indian Scout Models - Black
S&S Cycle
$895.95S&S Cycle - 50-State Grand National Slip-On Mufflers fits '19-'23 Indian Scout Models - Black Performance slip-ons that tidy up the exhaust area and produce a throaty V-Twin sound Does not...$895.95 -
S&S Cycle - Race Only Grand National Slip-On Mufflers fits '19-'23 Scout Models - Chrome
S&S Cycle
$649.95S&S Cycle - Race Only Grand National Slip-On Mufflers fits '19-'23 Scout Models - Chrome These are performance slip-ons that clean up the exhaust area and create a deep V-Twin sound. They...$649.95 -
S&S - Race Only Grand National Slip-On Mufflers fits '19-'23 Scout Models - Black
S&S Cycle
$649.95S&S - Race Only Grand National Slip-On Mufflers fits '19-'23 Scout Models - Black These Slip-On Mufflers feature a detachable dB reducer (J2825 compliant) which will adjust sound levels and and...$649.95 -
S&S Cycle - Ignition Rotor fits '70-'99 Big Twin Models (Exc. Twin Cam Models) (Repl. OEM #32402-83)
S&S Cycle
$19.95S&S Cycle - Ignition Rotor fits '70-'99 Big Twin Models (Exc. Twin Cam Models) (Repl. OEM #32402-83) Features High-quality OEM replacement component Comes with bolt and...$19.95 -
S&S Cycle - Piston Cooling Jet Kit fits '17-'23 M8 Models
S&S Cycle
$119.95S&S Cycle - Piston Cooling Jet Kit fits '17-'23 M8 Models The S&S Cycle Piston Cooling Jet Kit is built with patent-pending dual spray technology for uniform piston cooling. There are...$119.95 -
S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 4⅝" Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin fits '17-'20 M8 Softail Models This Stroke Flywheel Assembly W/ Balancer Gear & Full Wrist Pin comes with...MSRP: $1,999.95$1,995.95 -
S&S Cycle - 55mm Performance Manifold fits '17-'23 Harley M8 Models
S&S Cycle
$214.95S&S Cycle - 55mm Performance Manifold fits '17-'23 Harley M8 Models The S&S Cycle 55mm Performance Manifold for '17-'23 Harley M8 Models features a textured finish to enhance fuel...$214.95 -
S&S Cycle - Chrome Die-Cast Rocker Box fits '99-'17 Twin Cam Motors
S&S Cycle
$1,091.95S&S Cycle - Chrome Die-Cast Rocker Box fits '99-'17 Twin Cam Motors Features Positive O-ring seal ensures leak-free operation Include rocker boxes, gaskets and mounting bolts The assembler...$1,091.95 -
S&S Cycle - Lower Rocker Box Gasket Kit fits '99-'17 Twin Cam OEM Rocker Boxes Used on S&S Heads
S&S Cycle
$40.95S&S Cycle - Lower Rocker Box Gasket Kit fits '99-'17 Twin Cam OEM Rocker Boxes Used on S&S Heads S&S's Lower Rocker Box Gasket Kit must be used when installing OEM stock rocker boxes on...$40.95 -
S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - Black Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...$1,287.95 -
S&S Cycle - Silver Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads)
S&S Cycle
$1,287.95S&S Cycle - Silver Powdercoat 95" Big Bore Kit fits '99-'06 Twin Cam Engines (3.875" Bore, 4" Stroke, 9.7:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...$1,287.95 -
S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,643.95S&S Cycle - Stone Gray Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with...$1,643.95 -
S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads)
S&S Cycle
$1,643.95S&S Cycle - Black Powdercoat 117" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅜" Stroke, 10.5:1 Comp. W/ Stock Heads) This Big Bore Kit produces outstanding outcomes with stock...$1,643.95 -
S&S Cycle - Stone Gray Powdercoat 124" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅝" Stroke, 11.4:1 Comp. W/ Stock Heads)
S&S Cycle
MSRP: $1,679.95$1,643.95S&S Cycle - Stone Gray Powdercoat 124" Big Bore Kit fits '07-'17 Twin Cam Engines (4.125" Bore, 4⅝" Stroke, 11.4:1 Comp. W/ Stock Heads) This Big Bore Kit comes complete with cylinders, pistons,...MSRP: $1,679.95$1,643.95 -
S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads)
S&S Cycle
$1,489.95S&S Cycle - 96" Big Bore Kit fits '84-'00 Evolution Big Twin Engines (3⅝" Bore, 4⅝" Stroke, 9.75:1 Compression Ratio W/ Stock Heads) The cylinders featured in this kit are built with premium...$1,489.95 -
S&S Cycle - 124" Cylinder and Piston Kit fits '07-'17 Twin Cam Engines
S&S Cycle
$1,643.95S&S Cycle - 124" Cylinder and Piston Kit fits '07-'17 Twin Cam Engines This kit is designed to be used with stock heads or S&S heads with a stock bolt pattern and comes complete with...$1,643.95 -
S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits
S&S Cycle
MSRP: $1,058.95$924.95S&S Cycle - 4⅛" Bore Cylinders fits '07-'17 Twin Cam Engines W/ 124" Hot Set Up Kits These Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored slightly...MSRP: $1,058.95$924.95 -
S&S Cycle - Stock Bore 80" Cylinder and Standard Compression Piston Kit fits '78-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - Stock Bore 80" Cylinder and Standard Compression Piston Kit fits '78-'84 Shovelhead Engines This Kit is built to replace the cylinders and pistons of an 80" Shovelhead engine whilst...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Stock Bore Cylinder and Stroker Piston Kit fits '66-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - Stock Bore Cylinder and Stroker Piston Kit fits '66-'84 Shovelhead Engines This cylinder and piston kit can be used to create 84", 86" or 88" stroker engines, or to replace the...MSRP: $1,999.95$1,995.95 -
S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines
S&S Cycle
MSRP: $1,999.95$1,995.95S&S Cycle - 3⅝" Big Bore Cylinder & Big Bore Piston Kit fits '66-'84 Shovelhead Engines This kit can be used to construct an 88" engine, or to replace the cylinders and piston in an engine...MSRP: $1,999.95$1,995.95 -
S&S Cycle - Natural 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads
S&S Cycle
$1,155.95S&S Cycle - Natural 80" Bore Cylinder & Piston Kit fits '84-'00 Evolution Big Twin Models W/ Stock or S&S Heads S&S Cycle's 80" Bore Cylinder & Piston Kits feature S&S...$1,155.95
S&S Cycle – High-Performance Harley-Davidson Engines, Exhausts & Motorcycle Parts
S&S Cycle has been a powerhouse in Harley-Davidson performance engineering since 1958, known for building some of the most reliable and powerful V-Twin engines in the world. From the iconic S&S Super E Carburetor to the Grand National Exhaust and Stealth Air Cleaner Kits, every part embodies decades of racing experience and precision craftsmanship, helping riders unlock true American horsepower.
Whether you’re upgrading with S&S camshafts, big bore kits, lifters, oil pumps, or pushrods, each component is designed for maximum performance, durability and throttle response. Riders trust S&S Cycle exhausts and engine upgrade kits for their proven power gains, crisp acceleration and unmistakable exhaust note, perfect for Harley enthusiasts who want both street and track-ready performance.
S&S Cycle also offers advanced intake, ignition and lubrication systems, giving riders the tools to fine tune every aspect of their Harley-Davidson. With a legacy rooted in racing innovation and American craftsmanship, S&S Cycle performance parts deliver the perfect balance of power, reliability and engineering excellence, making it the top choice for those who live and breathe V-Twin performance.