Chevy Big Block, 396, 427, 454, 502, CORVETTE Script, As Cast Finish, No Booster Relief SPECIAL 459
Part Number special_459

These valve covers are on special because the PCV and breather holes are not centered.

These valve have different coloration. The cover shown with the PCV grommet has a darker tinge.

PCV and Breather grommets are provide. New mounting bolts are also included.

A cork composite gasket is recommended and available: Gaskets for PML Big Block Chevy Valve Covers

This set does not have a relief for a brake booster.

For reference, see our regular Chevy Big Block, 396, 427, 454, 502, CORVETTE Script Valve Covers, PML Part Number 9096.

This special should fit and function like a regular part.

This is sold as-is and cannot be returned.

Top down view of both valve covers with grommets.

Top down view of both valve covers without grommets.

Inside of both valve covers.

A grommet inserted in the breather hole.

A grommet inserted in the PCV hole.

The hole with the breather grommet without the grommet.

The hole with the PCV grommet without the grommet.