1.550 Spring Cups

Valve Spring Locator - Outside - 0.062 in Thick - 1.680 in OD - 0.577 in ID - 1.550 in Spring OD - Steel - Black Oxide - Set of 16

1.550 Valve Spring Locators

Valve Spring Locator - Inside - 0.045 in Thick - 1.535 in OD - 0.567 in ID - 0.750 in Spring ID - Steel - Black Oxide - Set of 16

1.560 Dual Valve Springs

Valve Spring - NexTek - Dual Spring - 533 lb/in Spring Rate - 1.200 in Coil Bind - 1.560 in OD - Polished - Set of 16

1.560 Spring Cups

Valve Spring Locator - Inside - 0.062 in Thick - 1.570 in OD - 0.570 in ID - 0.835 in Spring ID - Steel - Black Oxide - Set of 16

1.570 H-13 10-Deg Valve Spring Retainers +.100

Valve Spring Retainer - 10 Degree - 1.120 in / 0.730 in OD Steps - 1.570 in Spring - Steel - Set of 16

1.580 Dual Valve Springs - Polished

Valve Spring - NexTek - Dual Spring - 535 lb/in Spring Rate - 1.170 in Coil Bind - 1.580 in OD - Polished - Set of 16

1.580 Spring Cups

Valve Spring Locator - Outside - 0.062 in Thick - 1.687 in OD - 0.570 in ID - 1.580 in Spring OD - Steel - Black Oxide - Set of 16

1.580 Spring Retainers 10 Degree - Tool Steel

Valve Spring Retainer - 10 Degree - 1.150 in / 0.825 in OD Steps - 1.580-1.610 in Dual Spring - Plus 0.100 in - Steel - Natural - Set of 16

1.600 R/M Exhaust Valves 5/16 5.040 AOL

Exhaust Valve - Race Master - 1.600 in Head - 0.311 in Valve Stem - 5.4040 in Long - Stainless - Small Block Chevy - Set of 8

1.610 NexTek Dual Valve Springs

Valve Spring - NexTek - Dual Spring - 546 lb/in Spring Rate - 1.220 in Coil Bind - 1.610 in OD - Set of 16

1.610 Spring Cups - .570 ID

Valve Spring Locator - Inside - 0.062 in Thick - 1.610 in OD - 0.570 in ID - 0.720 in Spring ID - Steel - Black Oxide - 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