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.

Shop automotive lighting for cars, trucks, classic restorations, off-road vehicles, and performance builds. Find Holley RetroBright LED headlights, sealed-beam replacements, 3000K classic-white and 5700K modern-white bulbs, yellow-lens headlights, high- and low-beam lights, turn-signal bulbs, H4 adapters, sockets, pigtails, wiring harnesses, LED light bars, and mounting accessories from Holley RetroBright and Bright Earth.