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 14mm Spark Plug 55-1323
S&S now offers the same high quality Autolite spark plugs that we include with our engines for repla..
$15.95
S&S 2 1/2″ Air Horn Conversion Kit 17-0043
S&S air horns are fully machined from light weight alloy aluminum castings.This air horn can also be..
$163.95
S&S 2 1/2″ Air Horn for Super A, B, & L Series Carbs 17-0042
S&S air horns are fully machined from light weight alloy aluminum castings. This air horn ..
$132.95
S&S 2” Intake Valve 90-2000
Replacement intake valve for S&S Super Stock heads for 1984 - up Harley-Davidson big twin and 1986 -..
$40.95
S&S 2” Intake Valve Seat 90-2002
Replacement intake valve seat for S&S Super Stock heads for 1984 - up Harley-Davidson big twin and 1..
$30.95
S&S 2-1/2” Air Horn Conversion Kit 17-0484
Air horn conversion kits for Super E & G carbs on Harley-Davidson motorcycles include air horn, thre..
$183.95
S&S 3 1/2” Bore Cylinder Kit for 1966 91-9024
S&S 80" 3-1/2" Bore Cylinder and Standard Compression Piston Kit for 1979-'84 80" HD Big Twins - Glo..
$1,999.95
S&S 3 5/8” Bore Base Gaskets 93-1064
S&S base gaskets are made of the Pro-Formance Micropore material. Tests have shown that these gasket..
$50.95
S&S 3 5/8” Bore Cylinder Kit for 1966 91-9001
S&S 3-5/8" bore replacement cylinders for the Sidewinder kits that S&S offers with 7.5:1 compression..
$1,999.95
S&S 3 5/8” Bore Cylinder Kit for 1966 91-9101
S&S 93" Standard Compression 3-5/8" Big Bore Cylinder and Piston Kit for S&S SH93 Engines or 1966-84..
$2,349.95
S&S 3 5/8” Bore Cylinder Set for 1966 91-9000
S&S 3-5/8" Bore Cylinder Set for 1966-'84 Big Twins, 88" - Gloss BlackThis 3-5/8" bore gloss black c..
$1,287.95
S&S 3 5/8” Bore Cylinder Set for 1966 91-9200
S&S 3-5/8" Bore Cylinder Set for 1966-'84 Big Twins W/S&S 98" Sidewinder Kit and SH98 Engines - Glos..
$1,699.95