Forge Dual Piston Ram Dump Valve Cosworth Comes with cover and friction

Comes with cover and friction plate

in turn making a more complete feeling front end

When driven hard for extended periods

more Bite for your money

Forge Dual Piston Ram Dump Valve Cosworth Comes with cover and frictionSuitable for most turbo cars with an Air Flow Meter. Made from billet aluminium, this atmospheric diverter valve dumps the charge air to atmosphere creating the "Whoosh" sound when the throttle is lifted. This increases both quicker throttle response and higher clamping load to maintain boost pressure more reliably. Unlike single piston or diaphragm diverter valves, this uses counter balanced springs and dual pistons to prevent the valve from leaking