Left - Driver Side Rocker Panel Backing Plate 5JHR39 for K1500 C1500 K2500 C2500

Right - Passenger Side Rocker Panel Backing Plate 6PMT75 for K1500 K2500 C1500

For GMC C1500/C2500/C3500 1990 1991 Rocker Panel Backing Plate Passenger Side

For Chevy C1500/C2500/C3500 1990 1991 Rocker Panel Backing Plate Passenger Side

For GMC K1500/C1500 1990-1999 Rocker Panel Passenger Side | 1.6MM Backing Plate

Right - Passenger Side Rocker Panel Backing Plate For Chevy C2500 TJ535HW

Right - Passenger Side Rocker Panel Backing Plate For GMC C2500 CH976SC

Passenger Side Rocker Panel Backing Plate For GMC C2500 88-99