For sale is a brand new, unopened Richmond Gear brand Ford 9 inch ring and pinion installation kit # 8310111. This kit has top quality Timken bearings throughout. You get two different sets of ring gear bolts, one for the traction lock posi units and the other set for Detroit Locker units. These carrier bearings fit 2.891" cases. Yours unopened as pictured for $120, normal retail is $190 with tax