Crower Valve Springs - Single 1.090 68190-24

Crower Valve Springs - 1.260 Single W/Damper 68304-16Valve Spring - Single Spring / Damper - 390 lb/in Spring Rate - 1.090 in Coil Bind - 1.260 in OD - Set of 16

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

Crower Valve Springs - 1.045 68195-16Valve Spring - Single Spring - 251 lb/in Spring Rate - 0.860 in Coil Bind - 1.045 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 - 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