Crower Valve Springs - Dual 1.405 68404-16

Crower Valve Springs - Dual 1.400 68405-16Valve Spring - Dual Spring / Damper - 382 lb/in Spring Rate - 0.980 in Coil Bind - 1.400 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

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

Crower Valve Springs - 1.440 68390X3-16Valve Spring - Dual Spring / Damper - 450 lb/in Spring Rate - 1.110 in Coil Bind - 1.440 in OD - Set of 16