This conversion pan is for the LS1 series block for engine swaps into early Chevelle's, Nova's, and Camaro's.  It has four trapdoors and a removable windage tray. This pan is a completely fabricated aluminum pan with a pan rail girdle. It utilizes a Billet aluminum oil filter adapter in the stock location. It has an oil capacity of 5 1/2 qts. with filter. Will fit LS1, LS2. LS3, LS6  5 1/2 deep 11 1/4 wide 9 1/4 long