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 Cycle Piston, Set, 4.250" x 4.500", +.010", w/ Wristpin, Keepers, Rings, 2017-up M8 Models 920-0142
Piston, Set, 4.250" x 4.500", +.010", w/ Wristpin, Keepers, Rings, 2017-up M8 ModelsBrand: S&S Cycl..
$617.95
S&S Cycle Piston, Set, 4.250" x 4.500", Standard, w/ Wristpin, Keepers, Rings, 2017-up M8 Models 920-0140
Piston, Set, 4.250" x 4.500", Standard, w/ Wristpin, Keepers, Rings, 2017-up M8 ModelsBrand: S&S Cy..
$629.95
S&S Cycle Piston, Set, 4.250" x 4.625", +.010", w/ Wristpin, Keepers, Rings, 2017-up M8 Models 920-0148
Piston, Set, 4.250" x 4.625", +.010", w/ Wristpin, Keepers, Rings, 2017-up M8 ModelsBrand: S&S Cycl..
$629.95
S&S Cycle Piston, Set, 4.250" x 4.625", Standard, w/ Wristpin, Keepers, Rings, 2017-up M8 Models 920-0149
Piston, Set, 4.250" x 4.625", Standard, w/ Wristpin, Keepers, Rings, 2017-up M8 ModelsBrand: S&S Cy..
$629.95
S&S Cycle Piston, Set, 4.320" x 4.375", Standard, w/ Wristpin & Keepers, 2017-up M8 Models 920-0150
Piston, Set, 4.320" x 4.375", Standard, w/ Wristpin & Keepers, 2017-up M8 ModelsManufactuer: S&S Cy..
$724.95
S&S Cycle Piston, Set, 4.320" x 4.500" and 4.625", Standard, w/ Wristpin & Keepers, 2017-up M8 Models 920-0151
Piston, Set, 4.320" x 4.500" and 4.625", Standard, w/ Wristpin & Keepers, 2017-up M8 ModelsManufactu..
$731.95
S&S Cycle Piston, Set, Standard, Forged, Gapped, 9.0:1 Compression, 2020-up KRX Models 920-0157
Piston, Set, Standard, Forged, Gapped, 9.0:1 Compression, 2020-up KRX ModelsManufactuer: S&S CycleS..
$762.95
S&S Cycle Plate, Assembly, Cam Support, Packaged, PS160 310-0519
Plate, Assembly, Cam Support, Packaged, PS160Manufactuer: S&S CycleS&S Cycle Part Number: 310-0519..
$807.95
S&S Cycle Plate, Assembly, Cam Support, PS160 Gen2 310-0518
Plate, Assembly, Cam Support, PS160 Gen2Manufactuer: S&S CycleS&S Cycle Part Number: 310-0518..
$856.95
S&S Cycle Plate, Assembly, Pinion, Packaged, Natural, Billet, PS160 310-0521
Plate, Assembly, Pinion, Packaged, Natural, Billet, PS160Manufactuer: S&S CycleS&S Cycle Part Numbe..
$611.95
S&S Cycle Plate, Divider, Oil Pump, Zinc Plated, 2017-up M8 Models 310-0948
Plate, Divider, Oil Pump, Zinc Plated, 2017-up M8 ModelsBrand: S&S CyclePart Number: 310-0948..
$14.95
S&S Cycle Plate, Divider, Zinc Plated, Steel, 1999-'17 bt except 2017 Touring 310-1145
Plate, Divider, Zinc Plated, Steel, 1999-'17 bt except 2017 TouringManufactuer: S&S CycleS&S Cycle ..
$11.95