Manley NexTek Dual Valve Spring - 800 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16 221456-16 42060BL Not many enthusiasts are aware

Not many enthusiasts are aware that OE and more importantly aftermarket sway bar effectiveness can be hindered by worn or inadequate mounts

12 Point bolts for 8 bolt drive flanges

Excellent power for towing

11/16" diameter center shank between two 5/8"-18 threaded ends

using exact molds

Manley NexTek Dual Valve Spring - 800 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16 221456-16 42060BL Not many enthusiasts are awareProduct Description: Valve Spring NexTek Dual Spring 800 lb in Spring Rate 1. 130 in Coil Bind 1. 500 in OD Set of 16 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our journey began