Belltech C SECTION KIT 73 87 GM PICKUP ONLY NEWSru.com ::. Belltech frame rail C Sections use a "bolt in" wrap around design that captures the frame to increase overall suspension travel and frame strength on aggressively lowered vehicles. Grade 8 hardware, template and installation instructions included. (Frame modifications necessary) Installation Instructions Notch bracket improves frame strength by encapturing entire frame rail Notch bracket improves frame strength by capturing entire frame rail Increases overall compression travel by approx. 2" Increses oveall compression travel by approx. 2" Progressive rate Polymer bump stops Progressive rate Polymer bumpstops Includes grade 8 hardware Notch template This Part Fits: Year Make Model Submodel 1978 1980 Chevrolet C10 Big Ten 1975 1981 Chevrolet C10 Cheyenne 1981 1986 Chevrolet C10 Custom 1975 1980 Chevrolet C10 Custom Deluxe 1981 Chevrolet C10 Deluxe 1975 1986 Chevrolet C10 Scottsdale 1975 1986 Chevrolet C10 Silverado 1973 1974 Chevrolet C10 Pickup Base 1987 Chevrolet R10 Custom Deluxe 1987 Chevrolet R10 Scottsdale 1987 Chevrolet R10 Silverado 1975 1978 GMC C15 Base 1977 1978 GMC C15 Heavy Half 1975 1978 GMC C15 High Sierra 1977 GMC C15 Indy Hauler 1975 1978 GMC C15 Sierra Classic 1975 1978 GMC C15 Sierra Grande 1978 GMC C15 Street Coupe 1973 1974 GMC C15 C1500 Pickup Base 1979 1986 GMC C1500 Base 1979 1980 GMC C1500 Heavy Half 1979 1986 GMC C1500 High Sierra 1979 1986 GMC C1500 Sierra Classic 1979 1982 GMC C1500 Sierra Grande 1979 1982 GMC C1500 Street Coupe 1987 GMC R1500 Base 1987 GMC R1500 High Sierra 1987 GMC R1500 Sierra Classic