Custom made stainless steel changeover valves Available direct from us. Made to suit 5in pipe as standard (other sizes can be fitted at request) our pneumatic changeovers valves are lockable to ensure legal fitment for testing and when on the public Highway, further incorporating an adjustable stop to allow fine tuning on newer models to keep Sensors and ad-blue systems happy and avoid that annoying limp mode. Our unique curved changeover keeps the space required for fitment minimal and means when fitted inline can fit under existing heat sheids without the need for modifications. Available as a stand alone unit our changeover valve comes with everything you need to make it operational on your lorry ( air solenoid, relays, Fittings pipework ETC). Discounted to £450 if fitted by ourselves in conjunction with an exhaust system. these can be built and fitted to trucks, tractors, 4×4 and cars.