1958-79 Chevy Small Block Stock OEM Style Oil Pan - Unplated Unplated steel Chevy small block stock OEM style replacement oil pan fits 1958-1979 Chevy 283-305-327-350-400 engines. 4 quart (stock) capacity. The oil pan is notched on the front sump for clearance of the crossmember. Has a two-piece rear main seal and the dipstick is on driver side. Comes with drain plug.