1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 Buick, Oldsmobile or Pontiac aluminum manual transmission bell housing for most V-8 applications, including 442, GS, GTO and Lemans - Check casting number against your application - Casting number 9785581 with a standard 4 11/16” bearing retainer hole – Fits most Muncie and Saginaw 4 speed transmissions – Bare bell has been cleaned up in “as found” condition – blasted with natural unpainted finish shown – fresh stainless steel thread insert installed in one dust shield mounting hole for better strength – No cracks or weld repairs as shown