Average spring rate is 354 pounds per inchInner and outer spring inside diameter is 1.086Outer spring outside diameter is 1.500Backed by Crane's 1 year Warranty Policy under normal useSprings are selectively magnaflux inspected and checked for tension
Crane Cams 1.500 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: 99839-16