Engine

Fits:MakeModelYearHondaCRF110F2013-2023HondaCRF125F2014-2023HondaCRF125F Big Wheel2017HondaCRF125FB Big Wheel2014-2016HondaCRF125FB Big Wheel2018-2023Part Notes: Sold individually.Product FeaturesSOLD INDIVIDUALLY. Forged, stainless steel, one piece...

Fits:MakeModelYearNoteKawasakiKX2502019It is recommended this valve be used with an aftermarket spring designed for stainless steel valves.KawasakiKX250F2018It is recommended this valve be used with an aftermarket spring designed for stainless steel...

Fits:MakeModelYearNoteKawasakiKX4502019-2023It 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...

Fits:MakeModelYearKawasakiKX4502019-2023Product FeaturesDesigned to be used with stainless steel valves. Manufactured from a high stength oil-tempered steel alloy. Heat treated to increase the durability. Machined to precise specifications.

Fits:MakeModelYearKawasakiKX4502019-2023Product FeaturesDesigned to be used with stainless steel valves. Manufactured from a high stength oil-tempered steel alloy. Heat treated to increase the durability. Machined to precise specifications.

Fits:MakeModelYearNoteHusabergFE3502013It is recommended this valve be used with an aftermarket spring designed for stainless steel valves.HusabergFE350 4 Stroke2014It is recommended this valve be used with an aftermarket spring designed for stainless...

Fits:MakeModelYearNoteYamahaYZ250F2019-2023It is recommended this valve be used with an aftermarket spring designed for stainless steel valves.YamahaYZ250F Monster Energy Yamaha Racing Edition2021-2023It is recommended this valve be used with an...

SpecificationsPart: PistonSize: 77.96 mmOversize: StdPiston Type: ForgedCompression Ratio: 13.2:1Product FeaturesForged pistons compared to standard cast pistons, offer superior tensile and yield srength at operating temps, and lower expansion rates (for...

SpecificationsPart: Top End KitSize: 95.99 mmOversize: +0.02 mmPiston Type: ForgedCompression Ratio: 12.0:1Product FeaturesForged pistons compared to standard cast pistons, offer superior tensile and yield srength at operating temps, and lower expansion...

SpecificationsPart: Top End KitSize: 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: 85.97 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: Top End KitSize: 86.97 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...