The Speedmaster PCE288.1010 is a zinc-finished steel main girdle designed specifically for Chevy Big Block 454 engines. Built to reinforce the main bearing caps, this girdle helps reduce main cap walk and flex under high-stress conditions, supporting the bottom-end integrity of your BBC build.
Crafted from steel with a protective zinc finish for added corrosion resistance, this main girdle is a smart upgrade for performance street or racing applications where bottom-end stability is critical. Sold as the girdle only — verify hardware and cap compatibility before ordering to ensure a proper fit for your specific BBC 454 application.
MPNPCE288.1010
UPC840136533443
