Right - Passenger Side Rocker Panel Backing Plate For Chevy K5 Blazer NC269BR

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

Right - Passenger Side Rocker Panel Backing Plate For Chevy R20 Suburban MJ988BH

Rocker Panel Backing Plate Passenger Side For 73-91 GMC Jimmy Chevrolet Blazer

Left - Driver Side Rocker Panel Backing Plate For Chevy R20 Suburban DX946ZC

For 1987-1988 Chevrolet R20 Rocker Panel Backing Plate 65422MX

56MT54B Right - Passenger Side Rocker Panel Backing Plate Fits Chevy Blazer

For 1987-1988 Chevrolet R20 Suburban Rocker Panel Backing Plate 78942ZY