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 Seat, Intake, 1.950″, 1966-’84 bt 90-2017
Seat, Intake, 1.950", 1966-'84 btS&S No: 90-2017Cross-Reference: The following OEM numbers are prov..
$40.95
S&S Seat, Intake, 2.450″, Pro Stock 90-2123
Seat, Intake, 2.450", Pro StockS&S No: 90-2123..
$154.95
S&S Seat, Intake, B2 Heads, 4-3/8″ Bore, 2.200″, SA 90-2125
Seat, Intake, B2 Heads, 4-3/8" Bore, 2.200", SAS&S No: 90-2125..
$40.95
S&S Seat, Intake, Flathead Power, 1.94″ Diameter Valve, KN-Series 106-2821
Seat, Intake, Flathead Power, 1.94" Diameter Valve, KN-SeriesS&S No: 106-2821..
$61.95
S&S Seat, Intake/Exhaust, Flathead Power, 1.750″ Diamter Valve, Stock 1936-’47 OHV bt & KN-Ser 106-2822
Seat, Intake/Exhaust, Flathead Power, 1.750" Diamter Valve, Stock 1936-'47 OHV bt & KN-SerS&S No: 10..
$60.95
S&S Sensor, Assembly, Oxygen, w/ Connector, 12.25″ 106-2061
Sensor, Assembly, Oxygen, w/ Connector, 12.25"S&S No: 106-2061..
$152.95
S&S Sensor, Kit, Oxygen, Delphi, 12.25″ 106-2066
S&S Delphi Style VFI Closed Loop Sensor KitFits: 2001-'06 fuel injected HD big twins equipped with S..
$409.95
S&S Sensor, Kit, Oxygen, Magneti Marelli, 12.25″ 106-2067
S&S Magneti Marelli Style VFI Closed Loop Sensor KitFits: 1995 1/2 -'01 fuel injected big twins (exc..
$399.95
S&S Sensor, Kit, Temperature, Intake Air 55-5041
Sensor, Kit, Temperature, Intake AirS&S No: 55-5041Cross-Reference: The following OEM numbers a..
$109.95
S&S Sensor, Knock, IST, Flat Response, 106-2942
Sensor, Knock, IST, Flat Response, S&S No: 106-2942..
$40.95
S&S Series 145 Intermediate Jet 11-0500
Series 145 Intermediate Jet fits all S&S Super alcohol, fuel, and turbo carburetors. Size .050. Sold..
$40.95
S&S Series 145 Intermediate Jet 11-0600
Fits all S&S Super alcohol, fuel, and turbo carburetors. Size .060. Sold individually. S&S Part #: ..
$40.95