They are twin wall, 43mm O/D heavy duty 5mm steel tube and have a cranked end to improve articulation, they come complete with the bush in the. Axle end and a new nut on the chassis end, the axle end is offset welded to stop the arm fouling the. Axle mounting on full suspension dropout, suitable for standard to 4 inch suspension lifts. On older RRc you will require a chassis bush as the older ones had imperial threads and the bush has a smaller hole in it, if you are unsure, on the older ones a 24mm spaner fits the nut on the chassis end, ours are metric m20 and a 30mm spaner fits the nut on the chassis end, most of the ones are metric. Carriage Price for UK mainland only.For the carrier when ordering them, it may. The item "Land Rover Discovery1 Cranked Rear Trailing Arms 4x4 off road 2 inch lift GL4x4" is in sale since Friday, September 20, 2019. This item is in the category "Vehicle Parts & Accessories\Car Parts\Suspension & Steering\Other Suspension & Steering".4x4" and is located in welshpool, Powys. This item can be shipped worldwide.