These springs are required to be used on the 500 "wild" cams and optional on the 400+ cams. These are NOT meant to be used on the JWT Solid Race Cams.
Comes in a set of 24.
35mm Install Height, Same as Stock
71lbs Seat Pressure
RPM Limit when used w/ JWT Race Cams ~7800 RPM w/ Hydraulic Lifters
Install w/ Chamfered End Up