Kibblewhite KPM-20-4194 Black Diamond Stainless Intake Valve for Harley-Davidson Big Twin 66-84 OEM Replacement Fit: Refined pre-curved classic fit

Fit: Refined pre-curved classic fit

Outlasts conventional organic pads

Center Width 7 1/2 in

Method of Attachment: 10mm LH/RH threaded

Kibblewhite KPM-20-4194 Black Diamond Stainless Intake Valve for Harley-Davidson Big Twin 66-84 OEM Replacement Fit: Refined pre-curved classic fitAll KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of . 002, with a surface build up of . 0002. This Black Diamond process improves wear properties, reduces friction, and provides resistance to corrosion and wear that is superior to chrome and nickel electrolysis plating. Each valve is designed using Finite Element Analysis software, and profiles are tested on our computerized flow bench. Black Diamond