Spring set Beehive Nitrided Kelford Cams for Chevy LS

CHEVROLET LS SERIES V8. Premium quality Gold Nitrided 'PACALOY' Beehive Valve spring set. For use with OEM retainers. Requires a custom spring base if used in LS7. \n130lb at 1.800" installed height. 360lb at .600" valve lift. Coil bind at 1.100". 385lb/in rate.