This a New old stock Cragar Vari-fit ring adapter kit from the 1970s. It has been sitting in a machine shop for the last 50 years. This kit is part number 29707. It is 5" Bolt center, 5 Bolt. Contains the ring adapter, and 5 lugt nuts and washers 1/2"LH. The item pictured is an example of the ones you will receive as there are multiple sets for sale.