1978 1979 1980 1981 Buick, Oldsmobile or Pontiac G-Body models aluminum manual transmission bell housing for most V-8 applications, including Regal, Cutlass and Grand Prix - Check casting number against your application - Casting number 10000808 with a standard 4 11/16” bearing retainer hole – Fits most Muncie and Saginaw 4 speed transmissions - Bare aluminum bell has been cleaned up in “as found” condition as shown – blasted with natural unpainted finish shown - no cracks or weld repairs found and rings true – threads in great shape