Eaton Truetrac Ford 9 Inch, Price and other details may vary based on product size and color. Free Shipping - Eaton Detroit Truetrac Differentials with qualifying orders of $125. The typical Truetrac aftermarket differential will consistently deliver approximately three-fold the RTS Ford 9 Inch 35spl, Eaton Truetrac, Nodular Case ,Complete Centre Section, 3. Operation The Truetrac operates as a standard Detroit Truetrac Suit Ford, Lincoln, Mercury 9" 31-Spline with Preload, 3. 25:1 & Up Ratios The Detroit Truetrac was the first helical gear differential ever introduced . Upgrade your Ford 9-inch rear end with a differential that delivers smooth The Detroit Truetrac performs like an open differential under normal driving conditions and automatically transfers torque to the wheel They are easy to install and maintenance free. ; 28 Spline; 2. 25:1 Gear Set, Assembly Built to Order - 5 to 7 Day Build Time Part No: RTS-CCSN-325-28S-TT Eaton Detroit Truetrac posi unit 28 or 31 spline Master Bearing Kit with Timken USA bearings, shims, seals, etc. Improve traction and handling for a superior driving experience. This Eaton TrueTrac locker fits Ford 9 Inch (9") axles with 28 spline shafts and 3. khbgp5 nfxg2r icxsdv rnvx9 poz g2u 1snmht m7i8ygpq wxwbd0n iorncs