Fit for LS series LS1 LS2 LS3 LS6 LS7 LSX Engines. This cool crossover kit is suitable for most engines of LS series, such as for LS series LS1 LS2 LS3 LS6 LS7 LSX Engines. Stainless Steel Steam Vent System connects the 4 corners of your LS engine to remove trapped steam and get it where it needs to go.