Putco Nylon Oval side rails for 2004–2007 Chevy Silverado and GMC Sierra with 5'8" beds. These 1.75-inch (noted tube diameter) oval rails combine T-304 stainless steel tubing with black nylon end caps and a high-polish finish. Pop-up tie-downs provide secure cargo points rated to 500 lb. The rails install via stake pockets with no drilling, include the required hardware, and are offered with a limited lifetime warranty.
Putco 03-06 Chevrolet Silverado - 5.5ft Bed Nylon Oval Locker Side Rails