This lever type brake proportioning valve from Racetech is a twin bore design making it ideal for vehicles retaining dual brake lines to the rear. The 7 position lever allows for quick and easy brake bias adjustments between front and rear to get the balance perfect.Allows for quick and easy brake bias adjustmentsTwin bore design is suitable for dual circuit braking systems with 2 brake lines to the rear7 Pre-set lever positions defined with a 'click' allows for adjustment while drivingIdeal for setting the ideal brake balance for differing surface conditionsThe Racetech twin bore lever type brake proportioning valve has in integral mounting flange with 2 pre-drilled holes to allow for mounting to a flat surface. The 2 x inlet ports and 2 x outlet ports are all M10 x 1 female thread. Adaptors are available to purchase separately if a different thread is required.