Original obp Motorsport Branded Product Universal Girling type alloy master cylinders for brake or clutch actuation with an integral fluid reservoir and screw on filler cap. 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. These lightweight Aluminium master cylinders are fitted to many competition cars, kit cars and classic car applications. obp Branded Integral Reservoir Master Cylinder with a 3/8 UNF Outlet, 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 CheckedFa