Average spring rate is 432 pounds per inchOutside diameter of the outer spring is 1.255Backed by Crane's 1 year Warranty Policy under normal useInside diameter of the inner and outer spring is 0.870Springs are selectively magnaflux inspected and checked for tension
Crane Cams 1.225 inch Single Valve Spring with Damper, (Set of 16) helps to maximize the performance of Crane Cams. In doing so, the resonant frequency is outside of the intended operating range of the spring. This is not always the case, especially with springs produced by the OE manufacturers for production vehicles.
Brand: Crane Cams, Model: 99848-16