New adjustable piston dump valve for all Rover turbos including the ZT 160 turbo. The advantage of this dump valve over normal ones is that you can set it to dump at whatever pressure you want. These are CNC machined from billet aluminium, they are proudly made in England, and are quite simply the best dump valve yet for your MG Rover Turbo. The price is £109 inc vat. Postage is £5.50. Total including delivery within the UK is £114.50