LONGACRE CASTER/CAMBER GAUGE ADAPTERS
- 22% off
Hardened Valve Spring Shims Specifications- GM crate legal, thickest allowed Thickness: .015" Heat treated Hardened Steel, Flat Black Finish For High Performance racing applications Sixteen per set
Hardened Valve Spring Shims Specifications- GM crate legal, thickest allowed Thickness:. .015", .020" or .030" Heat treated Hardened Steel, For High Performance racing applications Fits 604 GM crate engines Sixteen per set.
1.250" O.D.
.625" I.D.
Use these CTS Non-Serrated Valve Spring Shims to support valve springs better. They won't compress to maintain pressure and protect heads from spring abrasion.