Valve Spring - 1300 Series Circle Track - Dual Spring - 436 lb/in Spring Rate - 1.175 in Coil Bind - 1.374 in OD - Set of 16

Valve Spring - Dual Spring - 230 lb/in Spring Rate - 1.000 in Coil Bind - 1.384 in OD - Set of 16

Valve Spring - NexTek - Dual Spring - 575 lb/in Spring Rate - 1.150 in Coil Bind - 1.400 in OD - Set of 16

Valve Spring - Beehive Spring - 280 lb/in Spring Rate - 1.060 in Coil Bind - 1.065 in / 1.415 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 366 lb/in Spring Rate - 1.150 in Coil Bind - 1.430 in OD - Set of 16

Valve Spring - Dual Spring / Damper - 322 lb/in Spring Rate - 1.150 in Coil Bind - 1.430 in OD - Set of 16