Torsion Bar End Cap Rear Genuine VW 55-79. 211-511-225 211511225 £18.00 inc. VAT (where applicable) Out of stock. Rear torsion bar end cap. Splitscreen and Bay window Top quality product, genuine Volkswagen part, will fit any bus from '55-'79. 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.