The 1973–1974 Chevrolet C10 kicked off the iconic Square Body era—born tough, built versatile. Whether you're working with a small-block, big-block, or planning an LS or LT swap, Holley has the parts to turn your classic Chevy into a street cruiser, track beast, or show-stopping restomod.

Creates a considerably hotter spark that lets the flame expand more rapidly in the combustion chamber and a more complete and efficient burn of the air/fuel mixture