1.235 CM Valve Spring Retainers (16) Valve Spring Retainer - 300 Series - 7 Degree - 0.880 in / 0.640 in OD Steps - 1.235 in OD Dual Spring - Chromoly - GM LS-Series - Set of 16

1.235 TS Valve Spring Retainer Set 7-Degree Valve Spring Retainer - 600 Series - 7 Degree - 0.880 in / 0.640 in OD Steps - Dual Spring - Steel - Set of 16

.815 Valve Spring Set Inner (8pk) Valve Spring - Inner - 320 lb/in Spring Rate - 0.720 in Coil Bind - 0.815 in OD - Set of 8

1.095 Valve Spring Set Outer (8pk) Valve Spring - Outer - 260 lb/in Spring Rate - 0.720 in Coil Bind - 1.095 in OD - Set of 8

Dual Valve Springs - 1.470 Valve Spring - Dual Spring - 399 lb/in Spring Rate - 1.080 in Coil Bind - 1.470 in OD - Set of 16

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