Top Street Performance 81053 GM LS Natural Engine Coolant Crossover Delete Kit

TSP GM LS Natural Engine Coolant Crossover Delete Kit TSP's engine coolant crossover delete kit allows you to block off the steam passages or rear coolant crossover on your LS cylinder heads. The kit's design gives added clearance and does not require removal when uninstalling the cylinder head bolts. This kit includes two black or natural billet aluminum plugs, O-rings, and bolts.