1.600 Triple Valve Spring Set (16) Valve Spring - PSI Sportsman Drag Race - Triple Spring - 744 lb/in Spring Rate - 1.130 in Coil Bind - 1.600 in OD - Set of 16

1.677 Triple Valve Spring Valve Spring - NexTek - Triple Spring - 720 lb/in Spring Rate - 1.142 in Coil Bind - 1.677 in OD - Each

1.677 Triple Valve Springs Valve Spring - NexTek - Triple Spring - 720 lb/in Spring Rate - 1.142 in Coil Bind - 1.677 in OD - Set of 16

1.645 Triple Valve Springs (16) Valve Spring - 1200 Series Drag Race - Triple Spring - 689 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Set of 16

1.645 Triple Valve Springs - (16) Valve Spring - 1300 Series - Triple Spring - 689 lb/in Spring Rate - 1.130 in Coil Bind - 1.645 in OD - Set of 16