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 Top End Gasket Kit 90-9506
S&S top end gasket kits include all gaskets and seals required to rebuild the top end of an S&S engi..
$112.95
S&S Top End Gasket Kit 90-9507
S&S top end gasket kits include all gaskets and seals required to rebuild the top end of an S&S engi..
$113.95
S&S Top End Gasket Kit 90-9511
S&S top end gasket kits include all gaskets and seals required to rebuild the top end of an S&S engi..
$163.95
S&S Top End, Kit, Retro Conversion, 3-5/8″ Bore, 1966-’84 bt and S&S SH-Series 106-1071
S&S 3-5/8" Bore Single Plug Retro Cylinder Head and Valve Train Upgrade Kit for 1966-'84 big twinsHe..
$4,499.95
S&S Top Engine Mount 93-4057
S&S manufactures special cylinder head mounts that come in handy when the stock head mounts cann..
$59.95
S&S Torco 51-9000
S&S Torco Engine Assembly Oil 4oz.Protect engine components during assembly and initial start up wit..
$21.95
S&S Torque Plate Kit 53-0016
The S&S cylinder torque plate kits are used to simulate operating stress conditions when boring ..
$887.95
S&S Torque Plate Kit 53-0051
The S&S cylinder torque plate kits are used to simulate operating stress conditions when boring and ..
$887.95
S&S Torque Plate Kit 53-0054
The S&S cylinder torque plate kits are used to simulate operating stress conditions when boring and ..
$1,549.95
S&S Torque Plate Kit 53-0055
The S&S cylinder torque plate kits are used to simulate operating stress conditions when boring and ..
$799.95
S&S Torque Plate Stabilizer Arm 53-0014
Replacement stabilizer arm for S&S cylinder torque plate kits. Fits all S&S torque plates. S&S Part..
$61.95
S&S Torque Plate Vise Tab 53-0034
Replacement vice tab for S&S cylinder torque plate kits. Fits all S&S torque plates. S&S Part #: 5..
$40.95