Ford 9″ 3rd Member – 3.89 Ratio

Ford 9″ 3^rd Member features Yukon nodular iron case, aluminum Daytona pinion support, 1350 billet steel yoke, Timken bearings and Eaton Trutrac differential unit.  The Trutrac is a helical-gear style limited-slip differential that maximizes wheel traction and enhances driving characteristics. Available with 3.50, 3.70, 3.89 or 4.11 ratio.  The included LubeLocker gaskets prevents leaking without the use of silicon and is reusable.