1.550 Dual Valve Springs .812 ID 16pk Valve Spring - Dual Spring - 550 lb/in Spring Rate - 1.100 in Coil Bind - 1.550 in OD - Set of 16

1.514 Dia. Dual Valve Spring Kit w/Damper Valve Spring Kit - Dual Spring / Damper - 348 lb/in Rate - 1.150 in Coil Bind - 1.514 in OD - Locks / Chromoly Retainers - Kit

Hi-Tech 1.560 Dia. Dual Valve Springs- W/Damper Valve Spring - Dual Spring / Damper - 500 lb/in Spring Rate - 1.130 in Coil Bind - 1.560 in OD - Set of 16

Dual Valve Springs - 1.500 Valve Spring - Dual Spring - 413 lb/in Spring Rate - 1.100 in Coil Bind - 1.500 in OD - 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

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