UK 25mm Dual Piston Car Blow Off Valve Regulating Dump Valve Turbo BOV Black NEW
25mm Atmospheric Turbo Twin Piston Universal 1.8T Blow Off Bov Dump Valve. Vent To Atmosphere Action - This gives the 'swoosh' sound on lift off. 1 x Blow Off Dump Valve as pictured. Twin Piston design for higher clamping load.