# Tuff Country 73-91 Chevy Blazer 1/2 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. - Designed For Rear Axle Only - Made Of Cast Iron This Part Fits: Year Make Model Submodel 1973-1974 Chevrolet Blazer Base 1987 Chevrolet Blazer Custom Deluxe 1988-1991 Chevrolet Blazer Scottsdale 1987-1991 Chevrolet Blazer Silverado 1975-1981 Chevrolet K10 Cheyenne 1981-1986 Chevrolet K10 Custom 1975-1980 Chevrolet K10 Custom Deluxe 1981 Chevrolet K10 Deluxe 1975-1986 Chevrolet K10 Scottsdale 1975-1986 Chevrolet K10 Silverado 1973-1974 Chevrolet K10 Pickup Base 1973-1974 Chevrolet K10 Suburban Base 1981-1986 Chevrolet K10 Suburban Custom 1975-1980 Chevrolet K10 Suburban Custom Deluxe 1981 Chevrolet K10 Suburban Deluxe 1975-1980,1982,1984-1986 Chevrolet K10 Suburban Scottsdale 1975-1977,1979-1980,1982-1983,1985-1986 Chevrolet K10 Suburban Silverado 1976 Chevrolet K5 Blazer Base 1975-1980 Chevrolet K5 Blazer Cheyenne 1981-1986 Chevrolet K5 Blazer Custom 1975,1977-1980 Chevrolet K5 Blazer Custom Deluxe 1981 Chevrolet K5 Blazer Deluxe 1984 Chevrolet K5 Blazer Scottsdale 1978,1980-1986 Chevrolet K5 Blazer Silverado 1987 Chevrolet V10 Custom Deluxe 1987 Chevrolet V10 Scottsdale 1987 Chevrolet V10 Silverado 1987 Chevrolet V10 Suburban Custom Deluxe 1987-1988 Chevrolet V10 Suburban Scottsdale 1987-1988 Chevrolet V10 Suburban Silverado 1989-1991 Chevrolet V1500 Suburban Scottsdale 1989-1991 Chevrolet V1500 Suburban Silverado 1975-1978 GMC K15 Base 1975-1978 GMC K15 High Sierra 1977 GMC K15 Indy Hauler 1975-1978 GMC K15 Sierra Classic 1975-1978 GMC K15 Sierra Grande 1975-1978 GMC K15 Suburban Base 1975-1978 GMC K15 Suburban High Sierra 1975-1978 GMC K15 Suburban Sierra Classic 1975-1978 GMC K15 Suburban Sierra Grande 1973-1974 GMC K15/K1500 Pickup Base 1973-1974 GMC K15/K1500 Suburban Base 1979-1986 GMC K1500 Base 1979-1986 GMC K1500 High Sierra 1979-1986 GMC K1500 Sierra Classic 1979-1982 GMC K1500 Sierra Grande 1979-1986 GMC K1500 Suburban Base 1979-1986 GMC K1500 Suburban High Sierra 1979-1986 GMC K1500 Suburban Sierra Classic 1979-1982 GMC K1500 Suburban Sierra Grande 1987 GMC V1500 Base 1987 GMC V1500 High Sierra 1987 GMC V1500 Sierra Classic 1987-1991 GMC V1500 Suburban Base 1987 GMC V1500 Suburban High Sierra 1987-1989 GMC V1500 Suburban Sierra Classic 1990 GMC V1500 Suburban SLE ## Details - **Price:** 216.53 CAD - **Vendor:** Tuff Country - **Type:** Lift Kits ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 216.53 CAD | In stock | ## Images - Photo - Primary --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/tuff-country-73-91-chevy-blazer-1-2-ton-4wd-3in-rear-block-u-bolt-kit) > Updated: 2026-07-01