For 1973-1974 Chevrolet K30 Pickup Rocker Panel Backing Plate 55869KP

Left - Driver Side Rocker Panel Backing Plate fits C10 Pickup 1973-1974 12PFDG

Left - Driver Side Rocker Panel Backing Plate For Chevy K30 Pickup QR673BC

Left - Driver Side Rocker Panel Backing Plate fits K20 Pickup 1973-1974 62WKQD

Left - Driver Side Rocker Panel Backing Plate fits C20 Pickup 1973-1974 83KHTX

Left - Driver Side Rocker Panel Backing Plate fits C30 Pickup 1973-1974 79MZVP

Left - Driver Side Rocker Panel Backing Plate fits K10 Pickup 1973-1974 58PMJM

For 1975-1986 Chevrolet K5 Blazer Rocker Panel Backing Plate 71849RDDR