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.
Refine Search
S&S Cycle Spacer, Powdercoated, 1-1/8" OD x 7/16" ID x 5/8", Gloss Black 561-0004
Spacer, Powdercoated, 1-1/8" OD x 7/16" ID x 5/8", Gloss BlackManufactuer: S&S CycleS&S Cycle Part ..
$10.95
S&S Cycle Spacer, Transmission Output, Machined, 1.103" x 1.574" x .565", Steel, PS160 56-3023A
Spacer, Transmission Output, Machined, 1.103" x 1.574" x .565", Steel, PS160Manufactuer: S&S CycleS..
$32.95
S&S Cycle Spacer, Velocity Stack, Machined, 1991-2018 xl 170-0468
Spacer, Velocity Stack, Machined, 1991-2018 xlManufactuer: S&S CycleS&S Cycle Part Number: 170-046..
$50.95
S&S Cycle Spark Plug, 10mm, HR 10, 2020-up KRX Models 560-0282
Spark Plug, 10mm, HR 10, 2020-up KRX ModelsManufactuer: S&S CycleS&S Cycle Part Number: 560-0282..
$71.95
S&S Cycle Spool, Assembly, Throttle, Cable Operated Throttle Body, S&S 70mm 160-0120
Spool, Assembly, Throttle, Cable Operated Throttle Body, S&S 70mmBrand: S&S CyclePart Number: 160-..
$61.95
S&S Cycle Spool, Assembly, Throttle, Super E/G 11-2385
Spool, Assembly, Throttle, Super E/GManufactuer: S&S CycleS&S Cycle Part Number: 11-2385Throttle S..
$23.95
S&S Cycle Spring, .031" Wire, .238" x .300" x .710", Stainless Steel, 17-7 50-8403-S
Spring, .031" Wire, .238" x .300" x .710", Stainless Steel, 17-7Brand: S&S CyclePart Number: 50-84..
$4.95
S&S Cycle Spring, Auxiliary Inlet Needle, Super B/D Fuel 11-2139
Spring, Auxiliary Inlet Needle, Super B/D FuelManufactuer: S&S CycleS&S Cycle Part Number: 11-2139..
$8.95
S&S Cycle Spring, Check Ball, Super E/G, .007" Wire, .125" x .320", Stainless Steel 11-2374
Spring, Check Ball, Super E/G, .007" Wire, .125" x .320", Stainless SteelManufactuer: S&S CycleS&S ..
$6.95
S&S Cycle Spring, Check Ball, Super E/G, 5 Pack 11-2392
Spring, Check Ball, Super E/G, 5 PackManufactuer: S&S CycleS&S Cycle Part Number: 11-2392Check Bal..
$14.95
S&S Cycle Spring, Clutch, Pressure Plate, Heavy Duty, 2.8mm Wire, 20.2mm x 52.39mm 56-5106-S
Spring, Clutch, Pressure Plate, Heavy Duty, 2.8mm Wire, 20.2mm x 52.39mmBrand: S&S CyclePart Number..
$39.95
S&S Cycle Spring, Diaphragm, Heavy Duty, 380 lb, 1998-up bt 560-0243
Spring, Diaphragm, Heavy Duty, 380 lb, 1998-up btBrand: S&S CyclePart Number: 560-0243..
$41.95