The REESE Towpower receiver pintle hook mounting plate is designed to fit exclusively with titan receivers that have a 2-1/2 In. x 2-1/2 In. hitch box opening. The mount hole spacing is 3-3/8 In. left to right and 1-3/4 In. top to bottom. The mount hole spacing is 3 3/8 inch left to right and 1 3/4 inch top to bottomTongue weight is rated up to 2000 lbs.Gross towing weight is rated up to 18000 lbs.