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 Cylinder Base O-Ring 50-8049
This viton base o-ring fits early S&S 4 inch bore cylinders for 1999-11 Harley-Davidson big twin eng..
$11.95
S&S Cylinder Base Stud 31-2321
Cylinder base stud for stock and 3-5/8" bore S&S V-Series and 1984-' 99 Harley-Davidson Evolution en..
$99.95
S&S Cylinder Base Stud 31-2331
Cylinder base stud for 4" and 4-1/8" bore S&S V-Series and 1986-' 03 Harley-Davidson Sportster model..
$99.95
S&S Cylinder Dowel Pin 50-8031
Cylinder Dowel Pin. .187"x.635". Sold Individually. S&S Part #: 50-8031..
$6.95
S&S Cylinder Dowel Pin 50-8177
Cylinder dowel pins for 1999-11 Harley-Davidson big twins, S&S T-Series engines, and S&S 4-1/8 inch ..
$8.95
S&S Cylinder Head End Torque Plate 53-0017
Replacement head end torque plate for S&S torque plates. This is for boring 3-5/8 inch bore engines ..
$377.95
S&S Cylinder Head End Torque Plate 53-0052
Replacement head end torque plate for S&S torque plates. This is for boring 4-1/8 inch bore engines ..
$438.95
S&S Cylinder Head End Torque Plate 53-0056
Replacement head end torque plate for S&S torque plates. This is for boring 4-3/8 inch bore engines ..
$377.95
S&S Cylinder Head Gasket Kit 90-1917
These gasket kits contain the gaskets needed to install a set of S&S Super Stock cylinder heads. Kit..
$112.95
S&S Cylinder Head Gasket Kit 90-1918
These gasket kits contain the gaskets needed to install a set of S&S Super Stock cylinder heads. Kit..
$102.95
S&S Cylinder Head Temperature Sensor 55-1014
Replacement cylinder head temperature sensor for Twin Cam 88 and S&S 4-1/8" bore engines with S&S IS..
$203.95
S&S Cylinder Kit 91-9012
S&S 74" 3-7/16" Bore Cylinder and High Compression Piston Kit for 1966-'78 74" HD Big Twins - Gloss ..
$2,295.95