Tuff Country 73-87 Chevy Truck 3/4 Ton 4wd 3in Rear Block & U-Bolt Kit

Tuff Country's block and u-bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u-bolts, custom fit for the application. 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 1987 Chevrolet V20 Custom Deluxe 1987 Chevrolet V20 Scottsdale 1987 Chevrolet V20 Silverado 1987 Chevrolet V20 Suburban Custom Deluxe 1987 Chevrolet V20 Suburban Scottsdale 1987 Chevrolet V20 Suburban Silverado 1987 GMC V2500 Base 1987 GMC V2500 High Sierra 1987 GMC V2500 Sierra Classic 1987 GMC V2500 Suburban Base 1987 GMC V2500 Suburban High Sierra 1987 GMC V2500 Suburban Sierra Classic 1988 Chevrolet V20 Suburban Scottsdale 1988 Chevrolet V20 Suburban Silverado 1988 GMC V2500 Suburban Base 1988 GMC V2500 Suburban Sierra Classic 1989 Chevrolet V2500 Suburban Scottsdale 1989 Chevrolet V2500 Suburban Silverado 1989 GMC V2500 Suburban Base 1989 GMC V2500 Suburban Sierra Classic 1990 Chevrolet V2500 Suburban Scottsdale 1990 Chevrolet V2500 Suburban Silverado 1990 GMC V2500 Suburban Base 1990 GMC V2500 Suburban SLE 1991 Chevrolet V2500 Suburban Scottsdale 1991 Chevrolet V2500 Suburban Silverado 1991 GMC V2500 Suburban Base