OER PT15504 Features:

If you're adding a set of rocker panel extensions to your 1978-81 Camaro, you'll want to order a set of these door to rocker panel fillers. These aftermarket style fillers are required to fill the gap between the lower front door section and the rocker panel extensions. For use with part number # PT15503. Includes RH and LH fillers. Sold in pairs. For a complete ground effects kit that contains these door to rocker panel filler, refer to part number C15255. Chevrolet Applications