Kibblewhite Precision 20-20930 Nitrided Exhaust Valve - Oversize

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 chromium and electrolysis nickel-plating. Lightweight with profiles that provide excellent flow characteristics. Compatible with leaded and unleaded fuels and can be run in cast iron- and bronze-type guides at close tolerances for maximum oil control and heat dissipation. Made in the USA 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 chromium and electrolysis nickel-plating. Lightweight with profiles that provide excellent flow characteristics. Compatible with leaded and unleaded fuels and can be run in cast iron- and bronze-type guides at close tolerances for maximum oil control and heat dissipation. Made in the USA Type: Exhaust. Material: Black Diamond Stainless. Coating: Black Nitroneg. Quantity: Pkg. of 1. Head Diameter: 40.26mm / 1.585in. Stem Diameter: 0.3106in. Tulip: 25deg. Overall Length: 4.505in.