The Speedmaster PCE629.1002 is a direct-replacement timing belt drive belt engineered specifically for Chevy Big Block 454 applications. Featuring a precise 79-tooth profile with dimensions of 29.5 mm wide by 635 mm in length, this belt is designed to deliver accurate, consistent timing belt drive performance and a reliable OE-style fit.
Designed as a replacement belt for Chevy BBC 454 timing belt drive systems, this Speedmaster unit helps restore proper drive system function with a straightforward swap-in installation. Whether you're refreshing a worn belt drive setup or stocking a spare, the PCE629.1002 offers a confidence-inspiring replacement solution for your Big Block Chevy build.