Manley 1.550 Pro Dual Valve Springs 22431-16

Manley 1.550 Pro Valve Springs Dual W/Damper 22429-16Valve Spring - Professional Series - Standard - 458 lb/in Spring Rate - 1.180 in Coil Bind - 1.550 OD - Set of 16

Manley 1.550 Nextek Dual Valve Springs 221452Sf-16Valve 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 Valve Spring Locators 42466-16Valve 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

Manley 1.550 Spring Cups 42317-16Valve 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