Rocker Panel - Slip-On Style- RH - 88-98 Chevy GMC C/K Pickup Truck RH = Passenger Side Slip-on rocker panels go overtop of your vehicles existing rocker panel. They follow the same contour as the original, but they are slightly oversized to allow them to fit overtop of the existing rocker. Each piece is stamped from heavy gauge steel and arrives EDP coated to protect against rust and corrosion. Great for restoring your rocker panels on your 88-98 OBS C1500 C2500 C3500 K1500 K2500 K3500 Chevy or GMC Pickup Truck.