Our 1967-72 Chevy truck hidden trailer hitch receiver hides behind the rear license plate keeping a nice clean, stock appearance. Can be used on step side and fleet side trucks. Designed to meet a class 4 ratingwith a 500 lb tongue and 5000 lb pull capacity. Requires drilling.Will not work leaf spring trucks or truckswith a roll pan. Flip down license plate holder available. Please specify.For trucks only. Will not work on long bed trucks without modifications. Will not fit Suburbans or Blazers