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

Valve Spring - Professional Series - Dual Spring / Damper - 458 lb/in Spring Rate - 1.180 in Coil Bind - 1.550 OD - Set of 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

Valve Spring Locator - Inside - 0.062 in Thick - 1.535 in OD - 0.570 in ID - 0.750 in Spring ID - Steel - Black Oxide - Set of 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

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