PML Valve Covers for 348 and 409 Chevrolet Engines

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Chevrolet® 348/409 Valve Covers Part Number 11137
Click on image to view larger.	Click on image to view larger.
As-cast finish $360 (set of 2)	Polished finish $560 (set of 2)
Dimensions: Click here for dimensions. Valve covers are approximately 4.1 inches tall. Finishes: Read about finishes and construction of PML parts. These PML valve covers feature heavy duty sand-cast aluminum construction. The thick walls provide strength, and the gasket flange will not bend or flex when bolts are tightened for a leak–free seal. PML provides mounting hardware with the covers. PML designed these valve covers for the classic hot rods of the 1950s and 1960s with the 348 or 409 Chevy™ W block engine. The clean design works well in restorations and vehicles where script or fins is not desired. Some customers engrave or put a their own custom design on the top. Because PML valve covers have thick walls, the top surface is suitable for this. PML does not offer customization. We recommend contacting Scott at Advanced Auto Graphics in Kansas, 620-562-3563. The flat area on top of the covers is approximately 18 by 1 1/2 inches. Because these are sand castings, the as-cast finish parts will not be smooth as they will have a texture of sand. Read about finishes and construction of PML parts. Click on image to view larger in a new tab or window. PML also makes 348, 409 valve covers with CHEVROLET script and fins. See PML Part Number 10651. These PML valve covers are compatible with stock gaskets. PML also sells cork composite gaskets for $30 set. PML Valve Covers Compared to Stock Click on image to view larger. 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. PML Valve Cover Features Strong sand-cast aluminum construction Thick side walls and gasket flanges that will not bend when bolts are tightened Cast-in internal baffles Mounting hardware included 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. General Motors Trademarks are used under license to PML, Inc.