Chevy BBC 454 Nostalgic Finned Aluminum Valve Covers - Tall w/ Hole On the outside we've added

On the outside we've added a heavy-duty

a new lower housing casting for enhanced fuel flow

chrome mounting brackets

Welcome to the new era in fuel injection

They are ground and thread-rolled after heat treatment to ensure the exacting tolerances that Speedmaster requires for all of their fasteners

Chevy BBC 454 Nostalgic Finned Aluminum Valve Covers - Tall w/ Hole On the outside we've addedDo 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