Pre-drilled aluminum kits simplify installation of body panels. Both kits include the following braces: two 30" long 120º lower quarter, two 26" long 90º upper quarter and two 10" long 90º front fender. ALL23105 kit also includes three 66" long 90º door braces, where the ALL23107 kit includes two 66" long 90º and one 66" long 120º door braces. Use flat stock, spring steel, or slotted strapping to complete assembly (sold seperately).