Engine

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction This process provides resistance to corrosion; wears superior to hard...

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction This process provides resistance to corrosion; wears superior to hard...

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction This process provides resistance to corrosion; wears superior to hard...

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction This process provides resistance to corrosion; wears superior to hard...

One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction This process provides resistance to corrosion; wears superior to hard...

Precision-machined from nickel bronze Nickel content of 5% produces superior resistance to wear, and the approximately 80% copper content delivers outstanding heat conductivity Compatible with no-lead fuel and accept any type of valve-stem material...

Precision-machined from nickel bronze Nickel content of 5% produces superior resistance to wear, and the approximately 80% copper content delivers outstanding heat conductivity Compatible with no-lead fuel and accept any type of valve-stem material...

Precision-machined from C630 Compatible with no-lead fuel and accept any type of valve-stem material Provide maximum service with chromed valve stems Feature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

Precision-machined from C630 Compatible with no-lead fuel and accept any type of valve-stem material Provide maximum service with chromed valve stems Feature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance Made in the U.S.A.. GUIDE VLV IN+ 001 CRF450R

Precision-machined from C630 Compatible with no-lead fuel and accept any type of valve-stem material Provide maximum service with chromed valve stems Feature a tapered nose design for maximum bearing service and minimal port obstruction; improves flow...

All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance Made in the U.S.A.. IN/EX GUIDEXR400/TRX400EX