Original obp Motorsport Branded Product Universal Girling type alloy master cylinders for brake or clutch actuation. Featuring a vertical mounting flange with 2.25 inch mounting hole spacing and a 5/16 UNF threaded pushrod. The outlet port has a 3/8 UNF thread, Inlet port 7/16 UNF. These lightweight Aluminium master cylinders are fitted to many competition cars, kit cars and classic car applications. obp Branded Master Cylinder with a 3/8 UNF Outlet, 7/16 UNF Intlet, 5/16 UNF Pushrod Thread with a 95mm Push Rod Length from the flange face. obp Motorsport brand or obp Approved brands stand for Safety, Reliability, Performance and Value for Money. Benefits When Dealing obp Motorsportobp Motorsport Branded Products 2 Year Parts GuaranteeIn-House Design and ManufactureAlways innovating new productsMade in EnglandAmazing Quality ProductsProactive Improvement Of Our ProductsFantastic Value For MoneyTrack Tested and QC CheckedFast DeliveryMassive Stock Ready To D