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...

Copper-based material designed specifically for use with titanium valves in high performance applications Give the seat excellent thermal characteristics as well as resistance to corrosion and wear These seats are the result of a two year KPMI R&D effort...

Copper-based material designed specifically for use with titanium valves in high performance applications Give the seat excellent thermal characteristics as well as resistance to corrosion and wear These seats are the result of a two year KPMI R&D effort...

Made of heat-treated steel Machined to fit .725" seal and .565" valve guide Lower collar is counter bored to allow for greater retainer-to-seal clearance Made in the U.S.A.. LOWER COLLAR .725"66-77BT

Constructed of SAE660 bearing bronze Made in the U.S.A.. BUSHINGS RCKR ARM66-84 BT

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.. VLV GUIDEXR250/TRX250/350

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...

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...

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...