245 70R19.5 Hercules Combo 2 Steer 4 Drive (HRA HDO) 33x12.50R20 1977 Chevy Silverado 3500 1978 and professional appearance needed 1977 Chevy Silverado 3500 1978 Chevy Silverado 3500 1979 Chevy Silverado 3500 1980 Chevy Silverado 3500 1981 Chevy Silverado 3500 1982 Chevy Silverado 3500 1983 Chevy Silverado 3500 1984 Chevy Silverado 3500 1985 Chevy Silverado 3500 1986 Chevy Silverado 3500 1987 Chevy Silverado 3500 1988 Chevy Silverado 3500 1989 Chevy Silverado 3500 1990 Chevy Silverado 3500 1991 Chevy Silverado 3500 1992 Chevy Silverado 3500 1993 Chevy Silverado 3500 1994 Chevy Silverado 3500 1995 Chevy Silverado 3500 1996 Chevy Silverado 3500 1997 Chevy Silverado 3500 1998 Chevy Silverado 3500 1999 Chevy Silverado 3500 2000 Chevy Silverado 3500 1977 GMC Sierra 3500 1978 GMC Sierra 3500 1979 GMC Sierra 3500 1980 GMC Sierra 3500 1981 GMC Sierra 3500 1982 GMC Sierra 3500 1983 GMC Sierra 3500 1984 GMC Sierra 3500 1985 GMC Sierra 3500 1986 GMC Sierra 3500 1987 GMC Sierra 3500 1988 GMC Sierra 3500 1989 GMC Sierra 3500 1990 GMC Sierra 3500 1991 GMC Sierra 3500 1992 GMC Sierra 3500 1993 GMC Sierra 3500< 1994 GMC Sierra 3500 1995 GMC Sierra 3500 1996 GMC Sierra 3500 1997 GMC Sierra 3500 1998 GMC Sierra 3500 1999 GMC Sierra 3500 2000 GMC Sierra 3500 5 Year Northstar Warranty A wide solid shoulder design promotes even wear and enhanced lateral stability Multi point edged grooves deliver better dry and wet traction