S&S Cycle

Whatstarted as a passion for speed, grew into the best known company name in theV-Twin high performance aftermarket. George J. Smith had to build his own partsto make his motorcycle faster. Now the company he founded manufactures the mostprestigious line of "go fast" v-twin engine parts in the world. Thecompany was started in the basement of his home in Blue Island IL in 1958, andmoved to Viola, WI in 1969. In 2004 an additional facility was opened in LaCrosse, WI.
S&SCycle, Inc. has been in the v-twin high performance parts business for over 50years, specializing in motorcycle parts like high performance motorcycle kitsfor Harley-Davidson® motorcycles. We manufacture a complete line of motorcycleperformance products ranging from motorcycle slip-on exhaust, bolt onperformance intakes, motorcycle big bore kits, or a complete motorcycle engine.
Althoughwe are known for Super Series of performance carburetors and for motorcycleengines, S&S Cycle, Inc. proudly offers sidewinder big bore kits, ourstealth motorcycle air cleaner kit, and many other ways to help you get morehorsepower and torque.
S&Sis currently featuring a full line of performance exhaust for Harley® includingour touring exhaust. Coupled withS&S Cycle's new performance headers, you ensure that your motorcycleexhaust system is performance orientated and great looking.
Forthe late model performance rider: Everyone needs to take that first step!S&S offers a logical, cost effective 4 step plan for performanceincreases. These range from small stepslike mufflers and intakes, or getting more horsepower out of your motorcycleengine with big bore kits and more.
Forthe Vintage enthusiast: With over a half century in the business, we knowvintage and we have the products to prove it in our motorcycle vintage partsoffering. With our age also comes experience and the reputation as one of themost trusted names in performance v-twin parts and motorcycle engines forHarley-Davidson® and other American v-twins.
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S&S Spring, Pump Actuator, Super E/G, .056″ Wire, .775″, Stainless Steel 11-2375-S
Spring, Pump Actuator, Super E/G, .056" Wire, .775", Stainless SteelS&S No: 11-2375-S..
$6.95
S&S Spring, Pushrod Cover Cap, .080″ Wire, .730″ x .890″ x .925″, Steel, 1936-up bt, 1957-’90 xl 93-4018
Spring, Pushrod Cover Cap, .080" Wire, .730" x .890" x .925", Steel, 1936-up bt, 1957-'90 xlS&S ..
$7.95
S&S Spring, Relief Valve, .040″ Wire, .242″ x .324″ x 2.32″, ASTM A-229, 1936-’99 bt 31-6018
Spring, Relief Valve, .040" Wire, .242" x .324" x 2.32", ASTM A-229, 1936-'99 btS&S No: 31-6018Cross..
$6.95
S&S Spring, Relief Valve, .051″ Wire, .263″ x .365″ x .314″ 36-7041
Spring, Relief Valve, .051" Wire, .263" x .365" x .314"S&S No: 36-7041..
$7.95
S&S Spring, Relief Valve, 1936-’99 bt, 10 Pack 31-6084
Replacement relief valve spring for S&S Cycle high volume high pressure oil pump Manufacturer Part..
$9.95
S&S Spring, Relief Valve, S&S Oil Pump, KN-Series 106-4679
Spring, Relief Valve, S&S Oil Pump, KN-SeriesS&S No: 106-4679..
$15.95
S&S Spring, Set, Valve, Dual, Flathead Power, .480″ Lift, Steel, KN-Series 106-4362
Spring, Set, Valve, Dual, Flathead Power, .480" Lift, Steel, KN-SeriesS&S No: 106-4362..
$80.95
S&S Spring, Set, Valve, Sidewinder, .650″ 106-5927
Spring, Set, Valve, Sidewinder, .650"S&S No: 106-5927..
$183.95
S&S Spring, Valve, Sidewinder, .192″ Wire, .659″, Chrome Silicone Steel 106-5689
Spring, Valve, Sidewinder, .192" Wire, .659", Chrome Silicone SteelS&S No: 106-5689..
$70.95
S&S Sprocket Shaft Assembly 33-2001
Tapered sprocket shaft for 1936 - ' 54 big twins. Fits S&S E or Stock flywheels. Comes complete with..
$183.95
S&S Sprocket Shaft Assembly 33-2002
Tapered sprocket shaft for 1955 - ' 64 big twins. Fits S&S SE or SL flywheels only. Comes complete w..
$183.95