Manley NexTek Triple Valve Spring - 733 lb/in Spring Rate - 1.142 in Coil Bind - 1.677 in OD - Set of 16 RG10004 Designed for 1969 and later

Designed for 1969 and later 351 Windsor Ford V8 high-performance engines with Edelbrock heads

1968 Dodge Dart 270 CID 318 Naturally Aspirated GAS

Built to withstand whatever the road throws their way

GMC TH400 Automatic Transmissions

including 4L65E

Manley NexTek Triple Valve Spring - 733 lb/in Spring Rate - 1.142 in Coil Bind - 1.677 in OD - Set of 16 RG10004 Designed for 1969 and laterProduct Description: Valve Spring NexTek Triple Spring 733 lb in Spring Rate 1. 142 in Coil Bind 1. 677 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