Manley NexTek Dual Valve Spring - 800 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16 221457-16 931076 6 or 8-cylinder engines and

6 or 8-cylinder engines and must be used with an MSD Ignition Control

2 Internal Baffles

1980 Ford F-350 Custom 5

Black leather with white stitch

Manley NexTek Dual Valve Spring - 800 lb/in Spring Rate - 1.130 in Coil Bind - 1.500 in OD - Set of 16 221457-16 931076 6 or 8-cylinder engines andProduct 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