We Carry Chrome Oil Pans For Your Small Block Chevy 327 350 400 Cubic Inch Engine, Chevrolet Made 3 Different SBC Oil Pans If You Have A 1957-1979 With Drivers Side Dipstick Use MCC500 For 1980-1984 Engines Use MCC502 For 1985-up Engines With 1 Piece Rear Main Seal Use MCC502-1