This circle track steel rear wet sump oil pan is designed for LS1 open chassis applications. It is 7" deep from center line of crank, 4-3/4" deep from the pan rail, 11" wide, 16" long and has a 7 quart system capacity. Clears up to 4.25 in. stroke. Includes circle track trap door baffle system, bolt-in slosh baffle, 1/2 in. NPT temperature bung, and a magnetic drain plug. Cadmium plated steel. This pan requires Canton's 11-281 pickup, and LS1 Filter Adapter or Filter Mount.