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

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

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

For 1975-1978 GMC C35 Rocker Panel Backing Plate 79136CKFR

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

For 1975-1978 GMC C15 Rocker Panel Backing Plate Right - Passenger Side 53238XT

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

35BC38T Right - Passenger Side Rocker Panel Backing Plate Fits 1975-1978 GMC C15