79-84 CHEVY CHEVROLET FULL SIZE PICKUP fullsize EXHAUST MANIFOLD TRUCK, 6-250, 4.1L, Integral Head, Dual Outlet, Gas 6Cyl, HOL#327-1006 (1979 79 1980 80 1981 81 1982 82 1983 83 1984 84) G960749 140484