This Dexter Axle Leaf Spring Over Axle Conversion Kit includes (2) tie-plates, (2) spring seats with welded studs, (4) adjuster nuts, (4) 1/2 inch x 5 inch round U-bolts, (8) nuts and installation instructions. Specifications•Includes Spring Perches: Yes•Includes Drop Pitman Arm: No•Includes Spring Plates: Yes•Includes Front Brake Lines: No•Includes Rear Brake Lines: No