Manley 1.535 Valve Spring Locators - .635 ID 42344-16

Valve Spring Locator - Inside - 0.035 in Thick - 1.535 in OD - 0.635 in ID - 1.550 in Spring OD - Steel - Black Oxide - Set of 16

Manley 1.550 H-11 Dual Valve Springs 22440-16

Valve Spring - Professional Series - Dual Spring / Damper - 614 lb/in Spring Rate - 1.090 in Coil Bind - 1.550 in OD - Set of 16

Manley 1.550 NexTek Dual Valve Springs 221452SF-16

Valve Spring - NexTek - Super Finish - Dual Spring - 618 lb/in Spring Rate - 1.150 in Coil Bind - 1.550 in OD - Set of 16

Manley 1.550 Pro Dual Valve Springs 22431-16

Valve Spring - Professional - Dual Spring / Damper - 507 lb/in Spring Rate - 1.190 in Coil Bind - 1.550 in OD - Set of 16

Manley 1.550 Spring Cups 42122-16

Valve Spring Locator - Outside - 0.062 in Thick - 1.680 in OD - 0.635 in ID - 1.550 in Spring OD - Steel - Black Oxide - Set of 16

Manley 1.550 Spring Cups 42317-16

Valve Spring Locator - Inside - 0.062 in Thick - 1.535 in OD - 0.570 in ID - 0.730 in Spring ID - Steel - Black Oxide - Set of 16

Manley 1.550 Spring Cups 42330-16

Valve Spring Locator - Inside - 0.062 in Thick - 1.535 in OD - 0.635 in ID - 0.750 in Spring ID - Steel - Black Oxide - Set of 16

Manley 1.560 Spring Cups 42373-16

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

Manley 1.570 Dual Valve Springs 221441P-16

Valve Spring - NexTek - Dual Spring / Damper - 575 lb/in Spring Rate - 1.215 in Coil Bind - 1.570 in OD - Polished - Set of 16

Manley 1.570 H-13 10-Deg Valve Spring Retainers +.100 23647TS-16

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

Manley 1.580 Dual Valve Springs - Polished 221443P-16

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

Manley 1.580 Dual Valve Springs 221443-16

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

Manley 1.580 Spring Cups 42369-16

Valve Spring Locator - Inside - 0.062 in Thick - 1.570 in OD - 0.635 in ID - 0.835 in Spring ID - Steel - Black Oxide - Set of 16

Manley 1.580 Spring Retainers 10 Degree - Tool Steel 23648TS-16

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

Manley 1.610 Spring Cups - .570 ID 42318-16

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