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Made in USA
This set of valve covers is on special because there is a lot of porosity in the polish finish.
Most of it is on the intake side of the valve covers, especially near the PCV and breather holes. The pictures below show examples of the porosity near the holes. There is more porosity that is not pictured, especially on the intake side of the covers. The porosity is all the black dots in the photos. These will not come out. Read about the construction and finishes of PML parts before ordering.
A cork composite gasket is recommended and is available from PML: Chevy Big Block Valve Cover Gaskets
Grommets for the PCV and breather, as show in the pictures, are included. New mounting bolts are also included.
For reference, see our regular Chevy Big Block, 396, 427, 454, 502, CHEVROLET Script, Tall Valve Covers, PML Part Number 9739. Note that the polish finish is no longer offered for this part.
This special should fit and function like a regular part.
This is sold as-is and cannot be returned.
Top down view of valve covers.
Inside of valve covers.
Porosity near the PCV hole on the first valve cover.
Porosity near the breather hole on the first valve cover.
