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

For 1987 GMC V2500 Rocker Panel Backing Plate Right - Passenger Side 71786WV

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

57MK81S Right - Passenger Side Rocker Panel Backing Plate Fits 1975-1978 GMC C15

For 1975-1978 GMC K25 Rocker Panel Backing Plate Right - Passenger Side 23632TW

For 1975-1978 GMC C25 Rocker Panel Backing Plate Right - Passenger Side 56175JM

Right - Passenger Side Rocker Panel Backing Plate For 1975-1978 GMC C15 GD163FW

For 1975-1978 GMC C35 Rocker Panel Backing Plate Right - Passenger Side 57364SD