For 1988-1999 Chevrolet C1500 Rocker Panel Backing Plate 32369KX

For 1988-1999 GMC C1500 Rocker Panel Backing Plate 16599VF

Sherman 900-05L Driver Side Rocker Panel Backing Plate For Chevy C1500 88-98

For 1973-1974 GMC C15/C1500 Pickup Rocker Panel Backing Plate 37665RC

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

For 1975-1986 Chevrolet K20 Rocker Panel Backing Plate 88164ZC

For 1973-1974 GMC C15/C1500 Pickup Rocker Panel Backing Plate 83724KX

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