Chevrolet® 396, 427, 454, & 502 Big Block Valve Covers with Raised CHEVROLET Script, Valve Covers
Part Number 9737
$350 (set of 2)
Black powder coating
$480 (set of 2)
Chevrolet Orange powder coating
$480 (set of 2)
$550 (set of 2)
Dimensions: Click here for a pdf file with dimensions. A separate window or tab will open.
Finishes: Read about finishes and construction of PML parts.
These heavy duty valve covers from PML for big block Chevy engines feature raised CHEVROLET script and fins and top quality construction. The classic CHEVROLET script is licensed from General Motors.
Benefits of these PML valve covers:
PML designed these valve covers using original GM cast iron heads. Chevrolet Big block engines include: 396, 427, 454, and the 502.
For our tall height big block Chevy valve covers, see PML Part Number 9739.
We have one set of these valve covers on SPECIAL: Special #265
Breather and PCV Holes
PML Chevy big block valve covers have PCV and oil fill/breather holes and baffles cast into the covers. The internal baffles help prevent oil blow-by out the PCV and breather holes.
These holes work with standard 1 1/4 inch grommets.
If desired, a breather cap with a 1 inch outer diameter tube can be used with the breather grommet.
Close up view showing that the PML Big Block Chevy valve cover has a good fit with grommet and chrome push-in breather cap installed
PML Big Block Chevy valve cover, breather grommet, and chrome breather cap
PML Big Block Chevy valve cover, breather grommet and chrome breather cap installed, top view
Click for dimensions.
Engine configurations vary so please check for clearance for larger valve covers. The walls and gasket flange are thicker than stock and the fins and script add height to the top.
Look for clearance on the inside also, especially if you have roller rockers. A simple check can be made if you have the stock valve cover. Set the stock cover on the head and measure the distance, if any, between the gasket flange surface and the head. PML tall covers are approximately 3/8 inch taller than our standard height covers.
Click to view or print PML Big Block Valve Covers PDF Flyer. A separate window will open and load the pdf file.
PML Valve Covers Compared to Stock
These images show a PML valve cover compared to the stock cover. The outside dimensions are shown. The distance to the gasket surface maybe different. See the link below the "Buy Now" button for more information on dimensions.
Our thanks to those who have emailed us pictures.
Joe from Washington emailed us pictures of his 1967 SS396 Chevelle with a cast iron ZZ454 crate engine.
1967 Chevelle SS396
Right side of ZZ454 engine, PML valve cover, chrome breather, 1967 Chevelle
Cast iron ZZ454 crate engine, PML valve covers, chrome breathers, 1967 Chevelle
Installing PML valve covers on ZZ454 in a 1967 Chevelle
Robbie Robinson provided us with pictures of his 1962 Bel-Air. He purchased these valve covers in the as-cast finish then polished the top of the fins and script.
Click on the small image to view a larger picture in a separate window.
The images below show PML Chevrolet big block engine valve covers installed on a 1958 Nomad with a 502 engine. Tommy from Atlanta shared these pictures of his beautifully restored Chevy.
PML Valve Cover Features
For a larger picture, please click one of the above images. A separate window will open showing a bigger picture. (The larger pictures take a minute to display.)
Learn more about finishes and construction of PML parts.
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