Chevy BBC 454 Chrome Valve Covers - Tall w/ Hole Speedmaster has designed these main

Speedmaster has designed these main cap girdles to reinforce the alignment of the main caps in high performance applications and counter the limited webbing and weaknesses of those stock blocks

They're available in a variety of styles to suit your needs

third member cases are made from heavy-duty nodular iron for maximum strength

the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range

barrel-shaped

Chevy BBC 454 Chrome Valve Covers - Tall w/ Hole Speedmaster has designed these mainDress up your engine compartment without breaking the bank. These Speedmaster valve covers are an affordable and easy way to brighten up your engine.