Manley Super 7 Steel Valve Locks - 5/16" - Installed Height: Standard - Lock Style: Conventional 355008 Lasts up to 150000 Miles

Lasts up to 150000 Miles or 4 Years - No Oil Needed

Bare finish

1978-1984 Chevrolet Impala

Assorted Fittings / Installation Hardware

Manley Super 7 Steel Valve Locks - 5/16" - Installed Height: Standard - Lock Style: Conventional 355008 Lasts up to 150000 MilesSuper 7? Steel Valve Locks Heat treated and black oxide finished. Highest quality steel alloy. Thicker for greater strength. 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