COMP Cams Conical Valve Spring Single Spring 520 lb/in Spring Rate 1.185" Coil Bind - 1.332" OD 200430107 They are made from 3/8

They are made from 3/8

each stud is centerless ground to make it as close to perfectly concentric as possible

Adjustable fuel logs feature over 4" of adjustment to work with a variety of dual inlet carburetors

Engine Stand

COMP Cams Conical Valve Spring Single Spring 520 lb/in Spring Rate 1.185" Coil Bind - 1.332" OD 200430107 They are made from 3/8Product Description: Valve Spring Conical Single Spring 520 lb in Spring Rate 1. 185 in Coil Bind 1. 332 in OD Set of 16 The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens on a dyno or in a computer model, if that theoretical