Manley 1.580 Diameter Valve Spring Cups - Spring O.D.: 1.580", Cup O.D.: 1.570", Cup I.D.: .635", Wall/Shlder Height: .140", Shlder Dia: .825" - (Set of 16) YA0836 Each of our products is

Each of our products is designed to incorporate new parts

1994-1996 Ford F-350

Race Master ( Straight Stem ) and Race Flo Shapes Available

Track your truck

Manley 1.580 Diameter Valve Spring Cups - Spring O.D.: 1.580", Cup O.D.: 1.570", Cup I.D.: .635", Wall/Shlder Height: .140", Shlder Dia: .825" - (Set of 16) YA0836 Each of our products isManley Spring Cups offer superior performance and reliability and are the choice of many top engine builders. 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 with a