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S&S Cycle

Proven Performance — The undisputed leader in American V-Twin high-performance engineering since 1958.

AUTHORITY // S&S CYCLE
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About S&S Cycle

Founded in 1958 by George J. Smith and Stanley Stankos in Blue Island, Illinois, and relocated to Viola, Wisconsin, S&S Cycle has defined high-performance American V-Twin motorcycling for over six decades. From manufacturing the world's first solid lifter conversion pushrods to building complete 143-cubic-inch crate engines, S&S Cycle designs, machines, and tests championship-winning V-Twin components in its Wisconsin facilities.

Founded
1958
Corporate Headquarters
Viola, Wisconsin, USA
Core Product Specialties
Complete V-Twin Engines (T124, T143, KN-Series)Big Bore Cylinder KitsGear-Drive & Chain-Drive CamshaftsPrecision Roller Rocker ArmsStealth Air Cleaner Systems
Proprietary Engineering & Standards
High-tensile ductile iron and forged aluminum Big Bore cylinders engineered with cast-in liners for thermal stability
Precision-machined billet aluminum Gear-Drive Camshaft assemblies eliminating timing chain slack and lash variance
Forged 8620 steel roller rocker arms engineered with bronze bushings for extreme spring pressure valvetrain endurance
Dyno-tested Stealth air intake systems utilizing radiused air horns to maximize laminar airflow into the throttle body
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All ProductsOils & FluidsOil Pumps, Coolers & Engine CasesEngine Gaskets, Seals & O-RingsExhaust Systems & MufflersCarburetor Rebuild Kits & JetsEngine Hardware, Bearings & FastenersDriveline & TransmissionGasket KitsPerformance CamshaftsValvetrain Components & ShimsFinal Drive GearsAir Intake ComponentsIgnition, Starters & ChargingFuel Systems & Intake AssembliesFuel Filters, Petcocks & LinesPiston Sets - PowersportsPistons & Big Bore KitsOil PumpsRocker ArmsCam GearsTransmissionsControl Cables & Hydraulic LinesExhaust Baffles, Inserts & Spark ArrestorsCrankshafts & Connecting RodsCamshafts & TimingFuel Systems & Air IntakeEngine MountsBearingsPiston RingsHeadsHardware - SinglesPush RodsIntake Reeds, Valves & ManifoldsValve Springs, RetainersCam Timing Chains & TensionersFuel PumpsCrankshaftsFuel Injection Tuners & ManagementThrottle BodiesHandlebars & Clip-OnsMotorcycle Hand Tools & Roadside Tool RollsStroker KitsFuel RailsAir Filters, Pre-Filters & CleanersCylinder Heads & BlocksOil Line KitsCamshaftsAir Filters - Direct FitSpark PlugsThrottle CableHeaders & ManifoldsAir Cleaners & FiltrationBrake Hardware, Brackets & MountsHandlebarsSprocketsData AcquisitionHosesECM ModificationFittingsStud GirdlesSpecialty Replacement ComponentsValvesComplete Carburetors & Throttle BodiesEngine, Clutch & Transmission Specialty ToolsDrive Chains & SprocketsMufflerEnginesCompensators & Primary DrivePowersports ExhaustsEngine CoversBoltsO-RingsShop Equipment, Stands & Diagnostic ToolsBelts - Timing, AccessoryExhaust Silencers, Pipes & HeadersDrivetrain, Chains & SprocketsConnecting Rods - PowersportsFlywheelsDrive Chains & BeltsCarburetor Rebuild KitsFuel Injectors - SinglePerformance Intake SystemsPinion FlangesClutch Baskets

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