Howards Racing Components Dual Valve Springs - 1.557 98635

Howards Racing Components Dual Valve Springs - 1.514 98636Valve Spring - Dual Spring / Damper - 348 lb/in Spring Rate - 1.150 in Coil Bind - 1.514 in OD - Set of 16

Howards Racing Components Dual Valve Springs - 1.500 98632Valve Spring - Dual Spring / Damper - 413 lb/in Spring Rate - 1.150 in Coil Bind - 1.500 in OD - Set of 16

Howards Racing Components Dual Valve Springs - 1.470 98445Valve Spring - Dual Spring - 399 lb/in Spring Rate - 1.080 in Coil Bind - 1.470 in OD - Set of 16