Isky Cams 1.235 Dual Valve Springs (8Pk) 625/626-8

Isky Cams 1.570 Dual Valve Springs 9968RadValve Spring - RAD-9000 Series - Dual Spring w/Damper - 560 lb/in Spring Rate - 1.100 in Coil Bind - 1.570 in OD - Standard - Universal - Set of 16

Isky Cams 1.600 Dual Rad Valve Springs 9996RadmlValve Spring - RAD-9000 - Dual Spring / Damper - 810 lb/in Spring Rate - 0.850 in Coil Bind - 1.600 in OD - Set of 16

Isky Cams Valve Springs 235DValve Spring - Single Spring / Damper - 350 lb/in Spring Rate - 1.150 in Coil Bind - 1.260 in OD - Set of 16

Isky Cams Valve Springs 205DValve Spring - Single Spring / Damper - 310 lb/in Spring Rate - 1.160 in Coil Bind - 1.260 in OD - Set of 16