Tuff Country 73-87 Chevy Pickup 4in Suspension System with Rear Blocks

4 Inch Suspension System with Rear Blocks Fitment 1973 Chevrolet K20 Pickup Base 1973 Chevrolet K20 Suburban Base 1973 GMC K25/K2500 Pickup Base 1973 GMC K25/K2500 Suburban Base 1974 Chevrolet K20 Pickup Base 1974 Chevrolet K20 Suburban Base 1974 GMC K25/K2500 Pickup Base 1974 GMC K25/K2500 Suburban Base 1975 Chevrolet K20 Cheyenne 1975 Chevrolet K20 Custom Deluxe 1975 Chevrolet K20 Scottsdale 1975 Chevrolet K20 Silverado 1975 Chevrolet K20 Suburban Custom Deluxe 1975 Chevrolet K20 Suburban Scottsdale 1975 Chevrolet K20 Suburban Silverado 1975 GMC K25 Base 1975 GMC K25 High Sierra 1975 GMC K25 Sierra Classic 1975 GMC K25 Sierra Grande 1975 GMC K25 Suburban Base 1975 GMC K25 Suburban High Sierra 1975 GMC K25 Suburban Sierra Classic 1975 GMC K25 Suburban Sierra Grande 1976 Chevrolet K20 Cheyenne 1976 Chevrolet K20 Custom Deluxe 1976 Chevrolet K20 Scottsdale 1976 Chevrolet K20 Silverado 1976 Chevrolet K20 Suburban Custom Deluxe 1976 Chevrolet K20 Suburban Scottsdale 1976 Chevrolet K20 Suburban Silverado 1976 GMC K25 Base 1976 GMC K25 High Sierra 1976 GMC K25 Sierra Classic 1976 GMC K25 Sierra Grande 1976 GMC K25 Suburban Base 1976 GMC K25 Suburban High Sierra 1976 GMC K25 Suburban Sierra Classic 1976 GMC K25 Suburban Sierra Grande 1977 Chevrolet K20 Cheyenne 1977 Chevrolet K20 Custom Deluxe 1977 Chevrolet K20 Scottsdale 1977 Chevrolet K20 Silverado 1977 Chevrolet K20 Suburban Custom Deluxe 1977 Chevrolet K20 Suburban Scottsdale 1977 Chevrolet K20 Suburban Silverado 1977 GMC K25 Base 1977 GMC K25 High Sierra 1977 GMC K25 Sierra Classic 1977 GMC K25 Sierra Grande 1977 GMC K25 Suburban Base 1977 GMC K25 Suburban High Sierra 1977 GMC K25 Suburban Sierra Classic 1977 GMC K25 Suburban Sierra Grande 1978 Chevrolet K20 Cheyenne 1978 Chevrolet K20 Custom Deluxe 1978 Chevrolet K20 Scottsdale 1978 Chevrolet K20 Silverado 1978 Chevrolet K20 Suburban Custom Deluxe 1978 Chevrolet K20 Suburban Scottsdale 1978 GMC K25 Base 1978 GMC K25 High Sierra 1978 GMC K25 Sierra Classic 1978 GMC K25 Sierra Grande 1978 GMC K25 Suburban Base 1978 GMC K25 Suburban High Sierra 1978 GMC K25 Suburban Sierra Classic 1978 GMC K25 Suburban Sierra Grande 1979 Chevrolet K20 Cheyenne 1979 Chevrolet K20 Custom Deluxe 1979 Chevrolet K20 Scottsdale 1979 Chevrolet K20 Silverado 1979 Chevrolet K20 Suburban Custom Deluxe 1979 Chevrolet K20 Suburban Scottsdale 1979 Chevrolet K20 Suburban Silverado 1979 GMC K2500 Base 1979 GMC K2500 High Sierra 1979 GMC K2500 Sierra Classic 1979 GMC K2500 Sierra Grande 1979 GMC K2500 Suburban Base 1979 GMC K2500 Suburban High Sierra 1979 GMC K2500 Suburban Sierra Classic 1979 GMC K2500 Suburban Sierra Grande 1980 Chevrolet K20 Cheyenne 1980 Chevrolet K20 Custom Deluxe 1980 Chevrolet K20 Scottsdale 1980 Chevrolet K20 Silverado 1980 Chevrolet K20 Suburban Custom Deluxe 1980 Chevrolet K20 Suburban Scottsdale 1980 Chevrolet K20 Suburban Silverado 1980 GMC K2500 Base 1980 GMC K2500 High Sierra 1980 GMC K2500 Sierra Classic 1980 GMC K2500 Sierra Grande 1980 GMC K2500 Suburban Base 1980 GMC K2500 Suburban High Sierra 1980 GMC K2500 Suburban Sierra Classic 1980 GMC K2500 Suburban Sierra Grande 1981 Chevrolet K20 Cheyenne 1981 Chevrolet K20 Custom 1981 Chevrolet K20 Deluxe 1981 Chevrolet K20 Scottsdale 1981 Chevrolet K20 Silverado 1981 Chevrolet K20 Suburban Custom 1981 Chevrolet K20 Suburban Deluxe 1981 GMC K2500 Base 1981 GMC K2500 High Sierra 1981 GMC K2500 Sierra Classic 1981 GMC K2500 Sierra Grande 1981 GMC K2500 Suburban Base 1981 GMC K2500 Suburban High Sierra 1981 GMC K2500 Suburban Sierra Classic 1981 GMC K2500 Suburban Sierra Grande 1982 Chevrolet K20 Custom 1982 Chevrolet K20 Scottsdale 1982 Chevrolet K20 Silverado 1982 Chevrolet K20 Suburban Custom 1982 Chevrolet K20 Suburban Scottsdale 1982 Chevrolet K20 Suburban Silverado 1982 GMC K2500 Base 1982 GMC K2500 High Sierra 1982 GMC K2500 Sierra Classic 1982 GMC K2500 Sierra Grande 1982 GMC K2500 Suburban Base 1982 GMC K2500 Suburban High Sierra 1982 GMC K2500 Suburban Sierra Classic 1982 GMC K2500 Suburban Sierra Grande 1983 Chevrolet K20 Custom 1983 Chevrolet K20 Scottsdale 1983 Chevrolet K20 Silverado 1983 Chevrolet K20 Suburban Custom 1983 Chevrolet K20 Suburban Silverado 1983 GMC K2500 Base 1983 GMC K2500 High Sierra 1983 GMC K2500 Sierra Classic 1983 GMC K2500 Suburban Base 1983 GMC K2500 Suburban High Sierra 1983 GMC K2500 Suburban Sierra Classic 1984 Chevrolet K20 Custom 1984 Chevrolet K20 Scottsdale 1984 Chevrolet K20 Suburban Custom 1984 Chevrolet K20 Suburban Scottsdale 1984 GMC K2500 Base 1984 GMC K2500 High Sierra 1984 GMC K2500 Sierra Classic 1984 GMC K2500 Suburban Base 1984 GMC K2500 Suburban High Sierra 1984 GMC K2500 Suburban Sierra Classic 1985 Chevrolet K20 Custom 1985 Chevrolet K20 Scottsdale 1985 Chevrolet K20 Silverado 1985 Chevrolet K20 Suburban Custom 1985 Chevrolet K20 Suburban Scottsdale 1985 Chevrolet K20 Suburban Silverado 1985 GMC K2500 Base 1985 GMC K2500 High Sierra 1985 GMC K2500 Sierra Classic 1985 GMC K2500 Suburban Base 1985 GMC K2500 Suburban High Sierra 1985 GMC K2500 Suburban Sierra Classic 1986 Chevrolet K20 Custom 1986 Chevrolet K20 Scottsdale 1986 Chevrolet K20 Silverado 1986 Chevrolet K20 Suburban Custom 1986 Chevrolet K20 Suburban Scottsdale 1986 Chevrolet K20 Suburban Silverado 1986 GMC C2500 Suburban Sierra Classic 1986 GMC K2500 Base 1986 GMC K2500 High Sierra 1986 GMC K2500 Sierra Classic 1986 GMC K2500 Suburban Base 1986 GMC K2500 Suburban High Sierra 1986 GMC K2500 Suburban Sierra Classic