Fits 73-80, 81-87 models. Also the 88-91 carry over models. These carry overs are for the Crew Cabs & 1 ton trucks along with the Jimmy’s, Blazers & Suburbans. Please note if you have the 88-91 Blazer, Jimmy, or Suburban you can use all of these cab repair parts with the exception of the cab corners! This just means that you will have an extra set of cab corners for another project. New in box parts, OEM type replacement. This kit includes: Left & Right Extended Rocker Panels Left & Right Rocker Backing Plates Left & Right Regular Cab Corners Left & Right OEM style Cab Floor Supports This is the entire rocker, & cab corner area that always rots out of those good ole rides! This kit is put together from strong demand from our Chevy customers.