The Speedmaster PCE680.1003 is an 8-inch aluminum magnetic crank trigger kit designed specifically for Chevy Big Block 454 engines. Built with a lightweight aluminum trigger wheel, this kit delivers precise ignition timing signals to help maximize engine performance and consistency on the street or strip.
This crank trigger system replaces unreliable distributor-based timing references with a stable, crankshaft-mounted magnetic pickup signal, reducing timing scatter and improving ignition accuracy. Designed to fit Chevy BBC 454 applications, it is a direct upgrade for enthusiasts seeking sharper ignition control and improved overall engine performance.
MPNPCE680.1003
UPC840136560432
