BLACK DIAMOND VALVES FOR BIG TWIN & SPORTSTER

Weight: 0.23
All Precision Machining, Inc. one piece stainless steel valves are impregnated by a special German Process (Nitroneg) .002" deep & .0002" surface build up to improve wear properties and reduce friction. This process provides resistance to corrosion and wear superior to that developed by hard chromium and electroless nickel plating. These valves are light, and the profiles provide excellent flow characteristics and are stellite tipped. Sold each.
Kibblewhite
Intake type Valve
Head Diameter: Std 1.840"
Stem Diameter: .3107"
Overall Length: Std 4.445"
Fits Big Twin Evolution 1984/Later & Twin Cam 1999/2004
Replaces HD# 18074-83A
By: KIBBLEWHITE PRECISION MACHINE