Skyjacker Suspension Block and U-Bolt Kit 1977-1991 GMC Jimmy BUK5589

Skyjacker® utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker® U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjacker® Kits are Ductile iron with fixed center pins. They are also tapered to correct pinion angle and prevent driveline vibrations. Available in 1.25, 2, 3.5, 4.5, and 5 inches. Block And U-Bolt Kit; 5.5 in. Lift; Fitment: 1973 Chevrolet Blazer Base 1973 Chevrolet K10 Pickup Base 1973 Chevrolet K10 Suburban Base 1973 Chevrolet K20 Pickup Base 1973 GMC Jimmy Base 1973 GMC K15/K1500 Pickup Base 1973 GMC K15/K1500 Suburban Base 1973 GMC K25/K2500 Pickup Base 1974 Chevrolet Blazer Base 1974 Chevrolet K10 Pickup Base 1974 Chevrolet K10 Suburban Base 1974 Chevrolet K20 Pickup Base 1974 GMC Jimmy Base 1974 GMC K15/K1500 Pickup Base 1974 GMC K15/K1500 Suburban Base 1974 GMC K25/K2500 Pickup Base 1975 Chevrolet K10 Cheyenne 1975 Chevrolet K10 Custom Deluxe 1975 Chevrolet K10 Scottsdale 1975 Chevrolet K10 Silverado 1975 Chevrolet K10 Suburban Custom Deluxe 1975 Chevrolet K10 Suburban Scottsdale 1975 Chevrolet K10 Suburban Silverado 1975 Chevrolet K20 Cheyenne 1975 Chevrolet K20 Custom Deluxe 1975 Chevrolet K20 Scottsdale 1975 Chevrolet K20 Silverado 1975 Chevrolet K5 Blazer Cheyenne 1975 Chevrolet K5 Blazer Custom Deluxe 1975 GMC Jimmy Base 1975 GMC Jimmy High Sierra 1975 GMC Jimmy Sierra Classic 1975 GMC Jimmy Sierra Grande 1975 GMC K15 Base 1975 GMC K15 High Sierra 1975 GMC K15 Sierra Classic 1975 GMC K15 Sierra Grande 1975 GMC K15 Suburban Base 1975 GMC K15 Suburban High Sierra 1975 GMC K15 Suburban Sierra Classic 1975 GMC K15 Suburban Sierra Grande 1975 GMC K25 Base 1975 GMC K25 High Sierra 1975 GMC K25 Sierra Classic 1975 GMC K25 Sierra Grande 1976 Chevrolet K10 Cheyenne 1976 Chevrolet K10 Custom Deluxe 1976 Chevrolet K10 Scottsdale 1976 Chevrolet K10 Silverado 1976 Chevrolet K10 Suburban Custom Deluxe 1976 Chevrolet K10 Suburban Scottsdale 1976 Chevrolet K10 Suburban Silverado 1976 Chevrolet K20 Cheyenne 1976 Chevrolet K20 Custom Deluxe 1976 Chevrolet K20 Scottsdale 1976 Chevrolet K20 Silverado 1976 Chevrolet K5 Blazer Base 1976 Chevrolet K5 Blazer Cheyenne 1976 GMC Jimmy Base 1976 GMC Jimmy High Sierra 1976 GMC Jimmy Sierra Classic 1976 GMC Jimmy Sierra Grande 1976 GMC K15 Base 1976 GMC K15 High Sierra 1976 GMC K15 Sierra Classic 1976 GMC K15 Sierra Grande 1976 GMC K15 Suburban Base 1976 GMC K15 Suburban High Sierra 1976 GMC K15 Suburban Sierra Classic 1976 GMC K15 Suburban Sierra Grande 1976 GMC K25 Base 1976 GMC K25 High Sierra 1976 GMC K25 Sierra Classic 1976 GMC K25 Sierra Grande 1977 Chevrolet K10 Cheyenne 1977 Chevrolet K10 Custom Deluxe 1977 Chevrolet K10 Scottsdale 1977 Chevrolet K10 Silverado 1977 Chevrolet K10 Suburban Custom Deluxe 1977 Chevrolet K10 Suburban Scottsdale 1977 Chevrolet K10 Suburban Silverado 1977 Chevrolet K20 Cheyenne 1977 Chevrolet K20 Custom Deluxe 1977 Chevrolet K20 Scottsdale 1977 Chevrolet K20 Silverado 1977 Chevrolet K5 Blazer Cheyenne 1977 Chevrolet K5 Blazer Custom Deluxe 1977 GMC Jimmy Base 1977 GMC Jimmy High Sierra 1977 GMC Jimmy Sierra Classic 1977 GMC Jimmy Sierra Grande 1977 GMC K15 Base 1977 GMC K15 High Sierra 1977 GMC K15 Indy Hauler 1977 GMC K15 Sierra Classic 1977 GMC K15 Sierra Grande 1977 GMC K15 Suburban Base 1977 GMC K15 Suburban High Sierra 1977 GMC K15 Suburban Sierra Classic 1977 GMC K15 Suburban Sierra Grande 1977 GMC K25 Base 1977 GMC K25 High Sierra 1977 GMC K25 Sierra Classic 1977 GMC K25 Sierra Grande 1978 Chevrolet K10 Cheyenne 1978 Chevrolet K10 Custom Deluxe 1978 Chevrolet K10 Scottsdale 1978 Chevrolet K10 Silverado 1978 Chevrolet K10 Suburban Custom Deluxe 1978 Chevrolet K10 Suburban Scottsdale 1978 Chevrolet K20 Cheyenne 1978 Chevrolet K20 Custom Deluxe 1978 Chevrolet K20 Scottsdale 1978 Chevrolet K20 Silverado 1978 Chevrolet K5 Blazer Cheyenne 1978 Chevrolet K5 Blazer Custom Deluxe 1978 Chevrolet K5 Blazer Silverado 1978 GMC Jimmy Base 1978 GMC Jimmy High Sierra 1978 GMC Jimmy Sierra Classic 1978 GMC Jimmy Sierra Grande 1978 GMC K15 Base 1978 GMC K15 High Sierra 1978 GMC K15 Sierra Classic 1978 GMC K15 Sierra Grande 1978 GMC K15 Suburban Base 1978 GMC K15 Suburban High Sierra 1978 GMC K15 Suburban Sierra Classic 1978 GMC K15 Suburban Sierra Grande 1978 GMC K25 Base 1978 GMC K25 High Sierra 1978 GMC K25 Sierra Classic 1978 GMC K25 Sierra Grande 1979 Chevrolet K10 Cheyenne 1979 Chevrolet K10 Custom Deluxe 1979 Chevrolet K10 Scottsdale 1979 Chevrolet K10 Silverado 1979 Chevrolet K10 Suburban Custom Deluxe 1979 Chevrolet K10 Suburban Scottsdale 1979 Chevrolet K10 Suburban Silverado 1979 Chevrolet K20 Cheyenne 1979 Chevrolet K20 Custom Deluxe 1979 Chevrolet K20 Scottsdale 1979 Chevrolet K20 Silverado 1979 Chevrolet K5 Blazer Cheyenne 1979 Chevrolet K5 Blazer Custom Deluxe 1979 GMC Jimmy Base 1979 GMC Jimmy High Sierra 1979 GMC Jimmy Sierra Classic 1979 GMC Jimmy Sierra Grande 1979 GMC K1500 Base 1979 GMC K1500 High Sierra 1979 GMC K1500 Sierra Classic 1979 GMC K1500 Sierra Grande 1979 GMC K1500 Suburban Base 1979 GMC K1500 Suburban High Sierra 1979 GMC K1500 Suburban Sierra Classic 1979 GMC K1500 Suburban Sierra Grande 1979 GMC K2500 Base 1979 GMC K2500 High Sierra 1979 GMC K2500 Sierra Classic 1979 GMC K2500 Sierra Grande 1980 Chevrolet K10 Cheyenne 1980 Chevrolet K10 Custom Deluxe 1980 Chevrolet K10 Scottsdale 1980 Chevrolet K10 Silverado 1980 Chevrolet K10 Suburban Custom Deluxe 1980 Chevrolet K10 Suburban Scottsdale 1980 Chevrolet K10 Suburban Silverado 1980 Chevrolet K20 Cheyenne 1980 Chevrolet K20 Custom Deluxe 1980 Chevrolet K20 Scottsdale 1980 Chevrolet K20 Silverado 1980 Chevrolet K5 Blazer Cheyenne 1980 Chevrolet K5 Blazer Custom Deluxe 1980 Chevrolet K5 Blazer Silverado 1980 GMC Jimmy Base 1980 GMC Jimmy High Sierra 1980 GMC Jimmy Sierra Classic 1980 GMC Jimmy Sierra Grande 1980 GMC K1500 Base 1980 GMC K1500 High Sierra 1980 GMC K1500 Sierra Classic 1980 GMC K1500 Sierra Grande 1980 GMC K1500 Suburban Base 1980 GMC K1500 Suburban High Sierra 1980 GMC K1500 Suburban Sierra Classic 1980 GMC K1500 Suburban Sierra Grande 1980 GMC K2500 Base 1980 GMC K2500 High Sierra 1980 GMC K2500 Sierra Classic 1980 GMC K2500 Sierra Grande 1981 Chevrolet K10 Cheyenne 1981 Chevrolet K10 Custom 1981 Chevrolet K10 Deluxe 1981 Chevrolet K10 Scottsdale 1981 Chevrolet K10 Silverado 1981 Chevrolet K10 Suburban Custom 1981 Chevrolet K10 Suburban Deluxe 1981 Chevrolet K20 Cheyenne 1981 Chevrolet K20 Custom 1981 Chevrolet K20 Deluxe 1981 Chevrolet K20 Scottsdale 1981 Chevrolet K20 Silverado 1981 Chevrolet K5 Blazer Custom 1981 Chevrolet K5 Blazer Deluxe 1981 Chevrolet K5 Blazer Silverado 1981 GMC Jimmy Base 1981 GMC Jimmy High Sierra 1981 GMC Jimmy Sierra Classic 1981 GMC Jimmy Sierra Grande 1981 GMC K1500 Base 1981 GMC K1500 High Sierra 1981 GMC K1500 Sierra Classic 1981 GMC K1500 Sierra Grande 1981 GMC K1500 Suburban Base 1981 GMC K1500 Suburban High Sierra 1981 GMC K1500 Suburban Sierra Classic 1981 GMC K1500 Suburban Sierra Grande 1981 GMC K2500 Base 1981 GMC K2500 High Sierra 1981 GMC K2500 Sierra Classic 1981 GMC K2500 Sierra Grande 1982 Chevrolet K10 Custom 1982 Chevrolet K10 Scottsdale 1982 Chevrolet K10 Silverado 1982 Chevrolet K10 Suburban Custom 1982 Chevrolet K10 Suburban Scottsdale 1982 Chevrolet K10 Suburban Silverado 1982 Chevrolet K20 Custom 1982 Chevrolet K20 Scottsdale 1982 Chevrolet K20 Silverado 1982 Chevrolet K5 Blazer Custom 1982 Chevrolet K5 Blazer Silverado 1982 GMC Jimmy Base 1982 GMC Jimmy High Sierra 1982 GMC Jimmy Sierra Classic 1982 GMC Jimmy Sierra Grande 1982 GMC K1500 Base 1982 GMC K1500 High Sierra 1982 GMC K1500 Sierra Classic 1982 GMC K1500 Sierra Grande 1982 GMC K1500 Suburban Base 1982 GMC K1500 Suburban High Sierra 1982 GMC K1500 Suburban Sierra Classic 1982 GMC K1500 Suburban Sierra Grande 1982 GMC K2500 Base 1982 GMC K2500 High Sierra 1982 GMC K2500 Sierra Classic 1982 GMC K2500 Sierra Grande 1983 Chevrolet K10 Custom 1983 Chevrolet K10 Scottsdale 1983 Chevrolet K10 Silverado 1983 Chevrolet K10 Suburban Custom 1983 Chevrolet K10 Suburban Silverado 1983 Chevrolet K20 Custom 1983 Chevrolet K20 Scottsdale 1983 Chevrolet K20 Silverado 1983 Chevrolet K5 Blazer Custom 1983 Chevrolet K5 Blazer Silverado 1983 GMC Jimmy Base 1983 GMC Jimmy High Sierra 1983 GMC Jimmy Sierra Classic 1983 GMC K1500 Base 1983 GMC K1500 High Sierra 1983 GMC K1500 Sierra Classic 1983 GMC K1500 Suburban Base 1983 GMC K1500 Suburban High Sierra 1983 GMC K1500 Suburban Sierra Classic 1983 GMC K2500 Base 1983 GMC K2500 High Sierra 1983 GMC K2500 Sierra Classic 1984 Chevrolet K10 Custom 1984 Chevrolet K10 Scottsdale 1984 Chevrolet K10 Silverado 1984 Chevrolet K10 Suburban Custom 1984 Chevrolet K10 Suburban Scottsdale 1984 Chevrolet K20 Custom 1984 Chevrolet K20 Scottsdale 1984 Chevrolet K5 Blazer Custom 1984 Chevrolet K5 Blazer Scottsdale 1984 Chevrolet K5 Blazer Silverado 1984 GMC Jimmy Base 1984 GMC Jimmy High Sierra 1984 GMC Jimmy Sierra Classic 1984 GMC K1500 Base 1984 GMC K1500 High Sierra 1984 GMC K1500 Sierra Classic 1984 GMC K1500 Suburban Base 1984 GMC K1500 Suburban High Sierra 1984 GMC K1500 Suburban Sierra Classic 1984 GMC K2500 Base 1984 GMC K2500 High Sierra 1984 GMC K2500 Sierra Classic 1985 Chevrolet K10 Custom 1985 Chevrolet K10 Scottsdale 1985 Chevrolet K10 Silverado 1985 Chevrolet K10 Suburban Custom 1985 Chevrolet K10 Suburban Scottsdale 1985 Chevrolet K10 Suburban Silverado 1985 Chevrolet K20 Custom 1985 Chevrolet K20 Scottsdale 1985 Chevrolet K20 Silverado 1985 Chevrolet K5 Blazer Custom 1985 Chevrolet K5 Blazer Silverado 1985 GMC Jimmy Base 1985 GMC Jimmy High Sierra 1985 GMC Jimmy Sierra Classic 1985 GMC K1500 Base 1985 GMC K1500 High Sierra 1985 GMC K1500 Sierra Classic 1985 GMC K1500 Suburban Base 1985 GMC K1500 Suburban High Sierra 1985 GMC K1500 Suburban Sierra Classic 1985 GMC K2500 Base 1985 GMC K2500 High Sierra 1985 GMC K2500 Sierra Classic 1986 Chevrolet K10 Custom 1986 Chevrolet K10 Scottsdale 1986 Chevrolet K10 Silverado 1986 Chevrolet K10 Suburban Custom 1986 Chevrolet K10 Suburban Scottsdale 1986 Chevrolet K10 Suburban Silverado 1986 Chevrolet K20 Custom 1986 Chevrolet K20 Scottsdale 1986 Chevrolet K20 Silverado 1986 Chevrolet K5 Blazer Custom 1986 Chevrolet K5 Blazer Silverado 1986 GMC Jimmy Base 1986 GMC Jimmy Sierra Classic 1986 GMC K1500 Base 1986 GMC K1500 High Sierra 1986 GMC K1500 Sierra Classic 1986 GMC K1500 Suburban Base 1986 GMC K1500 Suburban High Sierra 1986 GMC K1500 Suburban Sierra Classic 1986 GMC K2500 Base 1986 GMC K2500 High Sierra 1986 GMC K2500 Sierra Classic 1987 Chevrolet Blazer Custom Deluxe 1987 Chevrolet Blazer Silverado 1987 Chevrolet V10 Suburban Custom Deluxe 1987 Chevrolet V10 Suburban Scottsdale 1987 Chevrolet V10 Suburban Silverado 1987 Chevrolet V20 Custom Deluxe 1987 Chevrolet V20 Scottsdale 1987 Chevrolet V20 Silverado 1987 GMC Jimmy Base 1987 GMC Jimmy Sierra Classic 1987 GMC V1500 Suburban Base 1987 GMC V1500 Suburban High Sierra 1987 GMC V1500 Suburban Sierra Classic 1987 GMC V2500 Base 1987 GMC V2500 High Sierra 1987 GMC V2500 Sierra Classic 1988 Chevrolet Blazer Scottsdale 1988 Chevrolet Blazer Silverado 1988 Chevrolet V10 Suburban Scottsdale 1988 Chevrolet V10 Suburban Silverado 1988 GMC Jimmy Base 1988 GMC Jimmy Sierra Classic 1988 GMC V1500 Suburban Base 1988 GMC V1500 Suburban Sierra Classic 1989 Chevrolet Blazer Scottsdale 1989 Chevrolet Blazer Silverado 1989 GMC Jimmy Base 1989 GMC Jimmy Sierra Classic 1990 Chevrolet Blazer Scottsdale 1990 Chevrolet Blazer Silverado 1990 GMC Jimmy Base 1990 GMC Jimmy Sierra Classic 1991 Chevrolet Blazer Scottsdale 1991 Chevrolet Blazer Silverado 1991 GMC Jimmy Base