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 Crankcase, Assembly, Stock Bore, bt, 2B Generator, Natural, 1965-’69 31-0010
S&S Super Stock Generator Style Crankcases for 1965-'69 Big Twins with Stock Bore - NaturalS&S Super..
$2,152.95
S&S Crankcase, Assembly, Stock Bore, bt, Alternator, CPS Machining, Wrinkle Black, 1992-’99 31-0055
S&S Super Stock Alternator Style Crankcase for 1992-'99 Big Twins with Stock Bore - Wrinkle BlackPer..
$1,825.95
S&S Crankcase, Assembly, Stock Bore, bt, Alternator, Natural, 1970-’84 31-0003
S&S Super Stock Alternator Style Crankcase for 1970-'84 Big Twins with Stock Bore - NaturalThe S&S S..
$1,649.95
S&S Crankpin Assembly 34-2503
Standard (1.249") replacement tapered crankpin for S&S connecting rods in 1941 - early 1981 Harley-D..
$245.95
S&S Crankpin Nut 34-2104
Crankpin Nut for 1.250" Diament Shafts. Harley-Davidson part number 23969-83. Note: All reference to..
$14.95
S&S Crankpin Nut Clearancing Gauge 53-0005
The S&S crankpin nut clearancing gauges are designed to simplify and eliminate clearancing problems ..
$40.95
S&S Crankpin Nut for 1.500″ Crankpins For XL Models 34-2509
Crankpin Nut for 1.500" Crankpins for Sportster Models S&S Part #: 34-2509..
$50.95
S&S Crankpin Nut for 1.500″ Diameter Shafts 34-2023
Crankpin Nut for 1.500" Diameter Shafts S&S Part #: 34-2023..
$50.95
S&S Crankpin Nut for 1957 34-2504
For 1957-'99 Sportster models S&S Part #: 34-2504Fitment: Vintage Sportster 1957-1985..
$19.95
S&S Crankpin, Assembly, 1.250″, 1981-’99 xl 34-2603
Crankpin, Assembly, 1.250", 1981-'99 xlS&S No: 34-2603Cross-Reference: The following OEM numbers ar..
$184.95
S&S Crankpin, Assembly, Press-In, Hollow, Angled Oil Hole, 1.502″, 1984-up bt 340-0018
Crankpin, Assembly, Press-In, Hollow, Angled Oil Hole, 1.502", 1984-up btS&S No: 340-0018..
$173.95
S&S Crankpin, Assembly, Press-In, Hollow, Angled Oil Hole, 1.503″, 1984-up bt 340-0019
Crankpin, Assembly, Press-In, Hollow, Angled Oil Hole, 1.503", 1984-up btS&S No: 340-0019..
$224.95