Pac Racing Springs 1.540 Valve Spring Set Hot Rod Series W/Damper Pac-1933

Pac Racing Springs Valve Springs - Hr Series (16) Pac-1901Valve Spring - Hot Rod Series - Dual Spring / Damper - 492 lb/in Spring Rate - 1.130 in Coil Bind - 1.540 in OD - Set of 16

Pac Racing Springs 1.034 Valve Spring Kit GM LS - Hot Rod Series PAC-KS12Valve Spring - Hot Rod Series - Dual Spring - 392 lb/in Spring Rate - 1.020 in Coil Bind - 1.034 in OD - Chromoly Retainers /...

Pac Racing Springs 1.681 Triple Valve Spring Set Pac-1364MValve Spring - 1300 Series Drag Race - Triple Spring - 840 lb/in Spring Rate - 1.115 in Coil Bind - 1.681 in OD - Set of 16

Pac Racing Springs Valve Springs - Hr Series (16) Pac-1908Valve Spring - Hot Rod Series - Dual Spring - 417 lb/in Spring Rate - 0.910 in Coil Bind - 1.465 in OD - Set of 16