Rear pan is made of 18-gage electro-galvanized steel and will bolt or weld on depending on your desired look. Our rear pan is unique in that it mounts up on the face of the re... For 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 Chevrolet Trucks