Engine

SpecificationsPart: PistonSize: 77.96 mmOversize: StdPiston Type: ForgedProduct FeaturesForged pistons compared to standard cast pistons, offer superior tensile and yield srength at operating temps, and lower expansion rates (for tighter build...

SpecificationsPart: Top End KitSize: 91.96 mmOversize: StdPiston Type: CastProduct FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which helps reduce carbon build-up and reflect heat.All...

SpecificationsPart: PistonSize: 85.47 mmOversize: +0.50 mmPiston Type: CastProduct FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which helps reduce carbon build-up and reflect heat.All...

SpecificationsPart: Complete Gasket SetProduct FeaturesAll components are manufactured to OE-specs. Paper gaskets are composed of non-asbestos Nitrile Butadiene bonded cellulose fiber materials, which maintain their tensile strength and torque retention...

SpecificationsPart: PistonSize: 92.96 mmOversize: +1.00 mmPiston Type: CastProduct FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head which helps reduce carbon build-up and reflect heat.All...

SpecificationsPart: PistonSize: 103.47 mmOversize: +0.50 mmPiston Type: HyperDryveProduct FeaturesHyperdryve pistons are manufactured from a hypereutectic aluminum alloy to perform under operating conditions that would normally require a forged piston...

Fits:MakeModelYearSuzukiRMX450Z2010-2019SuzukiRMZ4502008-2022Product FeaturesAll kits include valve(s), spring(s), retainer(s), and seat(s) to do complete replacement of the intake side. All components are manufactured under ISO 9001 certified factories...

Fits:MakeModelYearSuzukiRMZ4502007Product FeaturesAll kits include valve(s), spring(s), retainer(s), and seat(s) to do complete replacement of the intake side. All components are manufactured under ISO 9001 certified factories. Nitride coated components...

Fits:MakeModelYearNoteHondaCRF250R2010-2017It is recommended this valve be used with an aftermarket spring designed for stainless steel valves.Part Notes: Sold individually.Product FeaturesSOLD INDIVIDUALLY. Forged, stainless steel, one piece...

SpecificationsPart: Top End KitSize: 66.44 mmOversize: +0.50 mmPiston Type: CastRing Count: Dual RingCompression Ratio: 11.0:1 HighProduct FeaturesAnodized piston head increases strength and heat dissapation. MOST Namura pistons feature a machined head...

Fits:MakeModelYearHondaCRF250R2010-2017Product FeaturesIncludes all required gaskets, o-rings, seals, and washers for a complete water pump rebuild. All components are direct OE replacements. All parts included in the kit are made from high-quality...

Fits:MakeModelYearYamahaWR250F2015-2019YamahaYZ250F2014-2018YamahaYZ250F Team Yamaha2014YamahaYZ250FX2015-2019Replaces OEM #: 1SM-12450-01-00Product FeaturesManufactured to OE specifications. Water pump impeller shaft is manufactured from high grade,...