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 Belt, Secondary Drive, 149 Tooth 1.125″, Carbon 106-1338
Belt, Secondary Drive, 149 Tooth 1.125", CarbonS&S No: 106-1338..
$298.95
S&S Belt, Secondary Drive, 149 Tooth, 1.5″, Carbon 106-2695
Belt, Secondary Drive, 149 Tooth, 1.5", CarbonS&S No: 106-2695..
$339.95
S&S Belt, Secondary Drive, 156 Tooth, 1.5″, Carbon 106-2827
Belt, Secondary Drive, 156 Tooth, 1.5", CarbonS&S No: 106-2827..
$289.95
S&S Billet Gearcover without Filter Boss 31-0301
Billet Gearcover without Filter Boss. Designed specifically for S&S Pro Stock crankcases with the sh..
$660.95
S&S Billet Oil Pump For 1936-’84 OHV Big Twins 106-4688
S&S Billet Oil Pump For 1936-'84 Over Head Valve HD Big TwinsIntended as a direct replacement oil pu..
$699.95
S&S Black Pinion Gear For Big Twin 33-4122
S&S replacement pinion gear for 1954 - early 1977 big twins in Harley-Davidson motorcycles are caref..
$142.95
S&S Blue Pinion Gear For Big Twin 33-4124
S&S replacement pinion gear for 1954 - early 1977 big twins in Harley-Davidson motorcycles are caref..
$142.95
S&S Blue Pinion Gear For Big Twin 33-4145
S&S replacement pinion gear for late 1977 - 1989 big twins in Harley-Davidson motorcycles are carefu..
$112.95
S&S Bob Weight Shim 53-0100
Replacement 100 gram shim for S&S flywheel balancing kits. S&S Part #: 53-0100..
$16.95
S&S Bob Weight Shim 53-0150
Replacement 50g Bob weight shim for S&S flywheel balancing kits. S&S Part #: 53-0150..
$23.95
S&S Bolt, SHC, 3/8-24 x 6″, Black, Oxide 106-0840
Bolt, SHC, 3/8-24 x 6", Black, OxideS&S No: 106-0840..
$11.95
S&S Boring Fixture Kit 53-0006
This boring plate kit has panhead and shovelhead head bolt patterns in one end. The other end is mac..
$799.95