Tire Rack, Add On Section, Kit Includes the Following: Right Plate End- x1, Tubes(71-7/8" x 2" x 1/8")- x2, Tire Rack Flange- x4, Tire Rack End Covers- x2, 3/8-16 x 3/4 Button Head Bolt- x12,1/4-20 x 1 Socket Head Bolt- x8, 1/4-20 Lock Nut- x8. Also Includes Instruction Diagram. Rack will accept 4 late model tires, roughly 68 in of space.