Left - Driver Side Rocker Panel Backing Plate fits Chevy C10 1975-1986 44YTVV

Left - Driver Side Rocker Panel Backing Plate fits Chevy R30 1987-1988 85ZDMKHZ

Left - Driver Side Rocker Panel Backing Plate fits Chevy C30 1975-1986 88NDRK

Left - Driver Side Rocker Panel Backing Plate fits Chevy C20 1975-1986 28MWHZ

59BR39Z Left - Driver Side Rocker Panel Backing Plate Fits 1975-1986 Chevy K20

Left - Driver Side Rocker Panel Backing Plate For 1975-1986 Chevy K20 GT855MJ

Left - Driver Side Rocker Panel Backing Plate fits Chevy K20 1975-1986 69FCBF

Left - Driver Side Rocker Panel Backing Plate fits Chevy K30 1977-1986 28WDSW