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 - 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 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 -
Out of stock
S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/O Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
MSRP: $948.95$929.95S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/O Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed...MSRP: $948.95$929.95 -
Out of stock
S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
$970.95S&S Cycle - Wrinkle Black 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed...$970.95 -
Out of stock
S&S Cycle - Black Granite 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines
S&S Cycle
MSRP: $948.95$929.95S&S Cycle - Black Granite 4¼" Bore M8 Cylinders W/ Highlighted Cylinder Fins fits '17-'20 M8 Engines These cylinders are bored slightly under nominal size and are not honed...MSRP: $948.95$929.95 -
S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines
S&S Cycle
$840.95S&S Cycle - Natural Finish Evolution-Style Aluminum Cylinders fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock replacement cylinders featuring...$840.95 -
Out of stock
S&S Cycle - 4⅛" Bore Cylinders fits '99-'06 Twin Cam Engines W/ 124" Hot Set Up Kits
S&S Cycle
$924.95S&S Cycle - 4⅛" Bore Cylinders fits '99-'06 Twin Cam Engines W/ 124" Hot Set Up Kits These Bore Cylinders are built for 124" Hot Set Up Kits utilized in '99-'17 Twin Cam models and are bored...$924.95 -
Out of stock
S&S Cycle - 3.625" Bore Shovelhead Cylinder Kit fits '66-'84 Shovelhead Engines
S&S Cycle
$1,287.95S&S Cycle - 3.625" Bore Shovelhead Cylinder Kit fits '66-'84 Shovelhead Engines This Bore Shovelhead Cylinder Kit comes complete with front and rear cylinders, base nuts, headbolts, base gaskets...$1,287.95 -
Out of stock
S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines
S&S Cycle
$840.95S&S Cycle - Black Powdercoat Evolution-Style Aluminum Cylinders W/ Machined Fin Edges fits '84-'99 Evolution Big Twin Engines S&S Cycle's Evolution-Style Aluminum Cylinders are stock...$840.95
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.