Kibblewhite Lower Collar - .725" - Big Twin 20-2111

Made of heat-treated steelLower collar is counter bored to allow for greater retainer-to-seal clearanceMade in the U.S.A.

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 frictionThis process...

Precision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.

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 frictionThis process...

Precision-machined from nickel bronzeNickel content of 5% produces superior resistance to wear, and the approximately 80% copper content delivers outstanding heat conductivityCompatible with no-lead...