1.290 RPM Series Valve Springs Beehive 16Pk Valve Spring - RPM Series - Beehive Spring - 490 lb/in Spring Rate - 1.070 in Coil Bind - 1.290 in OD - Set of 16

Beehive RPM Series Valve Springs Ford 5.0L Coyote Valve Spring - 1200 Series - Ovate Beehive Spring - 308 lb/in Spring Rate - 0.965 in Coil Bind - 1.061 in OD - Ford Coyote - Each

1.210 Beehive Valve Springs 1200 Series Valve Spring - 1200 Series - Ovate Beehive Spring - 358 lb/in Spring Rate - 1.160 in Coil Bind - 1.21 in OD - Set of 16

1.355 Single Valve Springs - RPM Series (16 Valve Spring - RPM Series - Single Spring - 380 lb/in Spring Rate - 1.180 in Coil Bind - 1.355 in OD - Small Block Chevy - Set of 16

1.324 Dual Valve Springs - RPM Series (16) Valve Spring - RPM Series - Dual Spring - 500 lb/in Spring Rate - 1.000 in Coil Bind - 1.324 in OD - GM LS-Series - Set of 16

1.304 Dual Valve Springs - RPM Series (16) Valve Spring - RPM Series - Dual Spring - 433 lb/in Spring Rate - 1.000 in Coil Bind - 1.304 in OD - GM LS-Series - Set of 16