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 Cylinder,Kit,3.500" Bore,4.650",3-13/16" Stroke,92-2016,Silver,1986-2003 xl 910-0694
Cylinder,Kit,3.500" Bore,4.650",3-13/16" Stroke,92-2016,Silver,1986-2003 xlManufacturer: S&S CycleP..
$1,115.95
S&S Cycle dB Reducer - SAE J2825 3.25 - 1.375 Black 551-0350
S&S Cycle dB Reducer - SAE J2825 3.25 - 1.375 Black 551-0350SAE J2825 dB Reducer, Black for 3.25..
$29.95
S&S Cycle dB Reducer - SAE J2825 3.25 - 1.5 Black 551-0304
S&S Cycle dB Reducer - SAE J2825 3.25 - 1.5 Black 551-0304SAE J2825 dB Reducer, Black for 3.25" Gran..
$29.95
S&S Cycle Display,Gear Drive 510-0430
Display,Gear DriveManufacturer: S&S CyclePart Number: 510-0430..
$802.95
S&S Cycle ECE Grand National 4.5" black slip-on muffler for 2022 Nightster 550-1088
ECE Grand National 4.5" black slip-on muffler for 2022 NightsterManufacturer: S&S CycleS&S Cycle Pa..
$499.95
S&S Cycle Engine, Assembled, MK136, Black Edition, Water Cooled, 475G Cam, WBlack, 2017-up M8 Touring 310-1292
Engine, Assembled, MK136, Black Edition, Water Cooled, 475G Cam, WBlack, 2017-up M8 TouringManufactu..
$11,999.95
S&S Cycle Engine, Assembled, MK136, Black Edition, Water Cooled, 550G Cam, WBlack, 2017-up M8 Touring 310-1291
Engine, Assembled, MK136, Black Edition, Water Cooled, 550G Cam, WBlack, 2017-up M8 TouringManufactu..
$11,999.95
S&S Cycle Engine,Assembled,SH80,w/o Induction/Ignition,H-Grind Cam,Natural w/ WBlack Cylinders,Billet,1970-'84 bt 310-0975
Engine,Assembled,SH80,w/o Induction/Ignition,H-Grind Cam,Natural w/ WBlack Cylinders,Billet,1970-'84..
$8,799.95
S&S Cycle Exhaust Gasket Install Tool 550-1129
Exhaust Gasket Install ToolManufacturer: S&S CycleS&S Cycle Part Number: 550-1129Say goodbye to th..
$29.95
S&S Cycle Exhaust System, Complete, 2 into 1, Diamondback, Race Only, Black, 2017-up Touring 550-1028
Exhaust System, Complete, 2 into 1, Diamondback, Race Only, Black, 2017-up TouringManufacturer: S&S..
$1,799.95
S&S Cycle Exhaust System, Complete, 2 into 1, Diamondback, Race Only, Brushed, Stainless Steel, 2017-up Touring 550-1000
Exhaust System, Complete, 2 into 1, Diamondback, Race Only, Brushed, Stainless Steel, 2017-up Tourin..
$1,799.95
S&S Cycle Exhaust System, Complete, 2 into 1, Sidewinder
Exhaust System, Complete, 2 into 1, Sidewinder..
$1,699.95