Crower Valve Springs - Dual 1.400 68405-16

Crower Valve Springs - Dual 1.405 68404-16Valve Spring - Dual Spring / Damper - 338 lb/in Spring Rate - 0.950 in Coil Bind - 1.405 in OD - Set of 16

Crower Valve Springs - Dual 1.500 68340-16Valve Spring - Dual Spring / Damper - 452 lb/in Spring Rate - 1.080 in Coil Bind - 1.500 in OD - Set of 16

Manley 1.400 Dual Valve Springs Nek Tek Series 221446Sf-16Valve Spring - NexTek - Dual Spring - 575 lb/in Spring Rate - 1.150 in Coil Bind - 1.400 in OD - Set of 16

Crower Valve Springs - Dual 68324-8Valve Spring - Dual Spring - 258 lb/in Spring Rate - 0.910 in Coil Bind - 1.385 in OD - Set of 8