For 1975-1978 GMC K25 Suburban Rocker Panel Backing Plate 55811SC

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

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

89KV57X Right - Passenger Side Rocker Panel Backing Plate Fits 1975-1978 GMC K25

49JZ22V Left - Driver Side Rocker Panel Backing Plate Fits 1975-1978 GMC K25

Right - Passenger Side Rocker Panel Backing Plate fits GMC K25 1975-1978 33YVPR

Right - Passenger Side Rocker Panel Backing Plate For 1975-1978 GMC K25 DX927PJ

For 1975-1978 GMC K25 Rocker Panel Backing Plate 31869GSFR