Pontiac 326 400 455 Polished Nostalgic Finned Aluminum Valve Covers w/o Hole They are machined from chromoly

They are machined from chromoly steel

When building rear-ends for race cars or trucks

best of all

The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems

and Grande Mustangs

Pontiac 326 400 455 Polished Nostalgic Finned Aluminum Valve Covers w/o Hole They are machined from chromolyDo you want to finish off your engine in style? Try a set of these Speedmaster finned aluminum valve covers. They are manufactured from cast aluminum and have a polished finish. Speedmaster finned aluminum valve covers feature a classic raised, finned design that adds a unique look to your engine. If you don't want any breather holes drilled, no problem they are offered with breather holes or without any holes. Speedmaster finned aluminum valve covers