# Putco 73-87 GMC - 6.5ft Bed Boss Locker Side Rails Add the largest round bed rails in the market to your vehicle with Putco Boss locker truck bed rails. These large truck bed side rails are 2.5 inches around, which is 43% larger than most other side rails. Constructed out of Putco NeverRust T-304 stainless steel. The rails are polished to match your OE chrome. Every tie-down point can handle 1000 lbs. Installing is made easy with no drilling and includes all hardware. - Limited Lifetime Warranty This Part Fits: Year Make Model Submodel 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 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 1979-1986 GMC C2500 Base 1979-1986 GMC C2500 High Sierra 1979-1986 GMC C2500 Sierra Classic 1979-1982 GMC C2500 Sierra Grande 1979-1986 GMC C3500 Base 1979-1986 GMC C3500 High Sierra 1979-1986 GMC C3500 Sierra Classic 1979-1982 GMC C3500 Sierra Grande 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 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 K2500 Base 1979-1986 GMC K2500 High Sierra 1979-1986 GMC K2500 Sierra Classic 1979-1982 GMC K2500 Sierra Grande 1979-1986 GMC K3500 Base 1979-1986 GMC K3500 High Sierra 1979-1986 GMC K3500 Sierra Classic 1979-1982 GMC K3500 Sierra Grande 1987 GMC R1500 Base 1987 GMC R1500 High Sierra 1987 GMC R1500 Sierra Classic ## Details - **Price:** 957.41 CAD - **Vendor:** Putco - **Type:** Body Armor & Rock Rails ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 957.41 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - User 3 - User 4 --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/putco-73-87-gmc-6-5ft-bed-boss-locker-side-rails) > Updated: 2026-06-27