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WSM Performance Parts

Piston and engine rebuild technology for marine and powersports performance.

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About WSM Performance Parts

WSM Performance Parts is a globally recognized manufacturer of high-quality engine rebuild kits, pistons, bearings, and driveline components for personal watercraft, outboards, and powersports vehicles. Engineered to precise Japanese OEM tolerances, WSM components are proven in competitive watercraft racing and severe marine duty.

Founded
1992
Corporate Headquarters
Boise, Idaho, USA
Core Product Specialties
PWC & Outboard Engine Rebuild KitsTop-End Piston KitsCrankshaft AssembliesJet Pump Rebuild KitsGasket Sets
Proprietary Engineering & Standards
Hypereutectic and forged aluminum piston alloys with low-friction skirt coatings
Precision-ground molybdenum-coated piston rings for immediate cylinder seal
High-capacity heavy-duty marine crankshaft bearings engineered for high RPM durability
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All ProductsPumps & HousingsDrive ShaftCrankshafts, Rods & BearingsPistons, Rings & Top-End KitsFuel Tanks, Pumps & PetcocksControl CablesIgnition, Starters & ChargingReplacement Body PartsFootpegs & FloorboardsGaskets, Seals & O-RingsEngine Mechanical & InternalsEngine Hardware, Bearings & FastenersRadiators, Oil Coolers & Water PumpsCarburetors & Jet KitsFuel Systems & Air IntakePistons & Big Bore KitsBatteries & ElectricalOil Pumps, Coolers & Engine CasesCamshafts, Valves & ValvetrainWear RingsDrive Chains & BeltsCarburetor Rebuild Kits & JetsPump ShaftDriveline & TransmissionShop & Track ToolsCable Fittings & ComponentsValvetrain Components & ShimsStarters, Stators & IgnitionComplete Carburetors & Throttle BodiesFuel Systems & Intake AssembliesEngine Gaskets, Seals & O-RingsBodywork Hardware & FastenersPerformance Intake SystemsWiring & Electrical HarnessesCouplers & DampersSpecialty Replacement ComponentsHandlebar Controls & ComponentHeaders, Heat Shields & BafflesExhaust Systems & MufflersPerformance CamshaftsHardware & Fasteners

Radiators, Oil Coolers & Water Pumps

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Need WSM Performance Parts Fitment Advice?

Our California fitment specialists verify motorcycle make, model, and year compatibility for all WSM Performance Parts products against live factory technical specifications.

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