Valve Spring Retainers - TI (16) Valve Spring Retainer - 400 Series - 7 Degree - 0.920 in / 0.650 in OD Steps - Dual Spring - Titanium - GM LS-Series - Set of 16

Valve Spring Retainers - TI (16) 1.050 Valve Spring Retainer - 400 Series - 10 Degree - 1.040 in / 0.715 in OD Steps - Dual Spring - Titanium - Set of 16

.795 Dia Ti Valve Spring Retainers Ford Modular Valve Spring Retainer - 400 Series - 0.795 in / 0.517 in OD Steps - Single Spring - Titanium - Ford Modular - Set of 16

1.440 Ti Valve Spring Retainers 16pk Valve Spring Retainer - 500 Series - 8 Degree - 1.070 in / 0.750 in OD Steps - 1.440 in OD Dual Spring - Titanium - Set of 16

1.620 Dual Valve Springs - Polished Valve Spring - NexTek - Dual Spring - 500 lb/in Spring Rate - 1.200 in Coil Bind - 1.620 in OD - Polished - Set of 16

1.400 TI Valve Spring Retainers - 10 Degree Valve Spring Retainer - 500 Series - 10 Degree - 1.090 in / 0.780 in OD Steps - Dual Spring - Titanium - Set of 16