Allstar Performance - Gm Ls Coolant Bypass Crossover Plugs 1pr

The Allstar Performance GM LS Coolant Bypass Crossover Plugs are essential for bleeding air from the cooling system of most GM LS engines. These steel, zinc-plated plugs are designed to replace factory original plugs or can be used in place of factory crossover steam tubes, offering a reliable sealing solution. The kit comes with two plugs, each equipped with O-rings for secure fitment, making it a must-have for engine maintenance.