Valve Covers

PML cast aluminum valve covers combine classic styling with modern engineering to provide a durable, high-quality upgrade for your engine. Proudly made in the USA, these valve covers are designed for enthusiasts who want a vintage appearance and superior construction on a GM or Jeep 258 engine.

PML offers classic valve cover designs officially licensed by GM featuring iconic CORVETTE®, CHEVROLET®, CADILLAC®, and BUICK® vintage scripts. These licensed designs capture the look of the original factory valve covers while benefiting from modern manufacturing techniques and premium materials.

Each valve cover is sand cast aluminum, giving it a timeless appearance and a solid feel. The sand-cast texture provides an authentic old-school look that complements classic restorations, muscle cars, street rods, and custom builds. Unlike many thin stamped steel valve covers, PML's heavy-duty cast aluminum construction is exceptionally rigid. The thick walls resist bending, flexing, and distortion during installation, helping the valve covers maintain their shape over years of use. This added rigidity also contributes to a more reliable seal.

Many PML valve covers are available in versions that are taller than stock, providing additional internal clearance for many roller rocker arm systems and other upgraded valvetrain components. This allows enthusiasts to improve engine performance without sacrificing a classic appearance. Fitment is verified using original factory cylinder heads. Mounting hardware is included with each set.

Whether you're restoring a vintage Corvette, building a classic Chevrolet V8, upgrading a Buick Nailhead, getting a Jeep CJ-7 back on the road, or finishing a Cadillac engine project, PML cast aluminum valve covers deliver the strength, appearance, and craftsmanship expected from premium American-made performance parts. With authentic licensed designs, proven fitment, and heavy-duty construction, PML valve covers are built to look great, seal reliably, and last for years.

Keep it cool.

All related Emblems and vehicle body designs are trademarks of General Motors LLC, used under license to PML, Inc.