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

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

57VD29R Left - Driver Side Rocker Panel Backing Plate Fits 1975-1986 Chevy C30

12FH51N Left - Driver Side Rocker Panel Backing Plate Fits 1975-1986 Chevy K10

22KN33V Left - Driver Side Rocker Panel Backing Plate Fits 1975-1986 Chevy C20

15BT58B Left - Driver Side Rocker Panel Backing Plate Fits 1975-1986 Chevy C10

Left - Driver Side Rocker Panel Backing Plate fits K20 Suburban 1973-1986 12ZDSX