The Putco Nylon Boss Locker side rails for Chevy Silverado and GMC Sierra trucks (1999–2007, 8' bed) feature oversized 2.5-inch NeverRust T-304 stainless steel tubing with black nylon ends and a polished OE-style finish. Tie-down points carry up to 500 lbs and the kit installs without drilling using existing mounting hardware included in the package. These American-made rails are supported by a limited lifetime warranty.
Putco 03-06 Chevrolet Silverado LD/HD 8ft Bed Nylon Boss Locker Side Rails