Torsion Bar End Cap, Rear, Repro 55-79. 211-511-225R 211511225R £10.00 Quantity: at £10.00 each Add To Basket Rear torsion bar end cap. Splitscreen and Bay window New reproduction part, good quality. Originally, early splitscreen buses had a thinner less robust style end cap, but this one will fit fine and does a better job anyway. This is the cover at the front end of the spring plate just in front of the rear wheel.