Dual Valve Springs - 1.470 Valve Spring - Dual Spring - 399 lb/in Spring Rate - 1.080 in Coil Bind - 1.470 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

1.514 Dual Valve Spring & Retainer 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

Dual Valve Springs w/Damper - LS1 Valve Spring - SP-Series - Dual Spring / Damper - 360 lb/in Spring Rate - 1.060 in Coil Bind - 1.440 in OD - Set of 16

1.539 Dual Valve Springs (16) w/Damper Valve Spring - RPM Series - Dual Spring / Damper - 500 lb/in Spring Rate - 1.130 in Coil Bind - 1.539 in OD - Set of 16