57026, Severe service aluminum through-bolt case (3.812" bore), 10" 9310 Pro Gear, 40-spline lightweight steel spool, steel caps, MW steel 1350 series 35-spline pinion yoke or coupler, ball / tapered bearing pinion support, 1/2" ring gear bolts, your choice of large pinion 10" pro gears.

Price can vary with different manufactures brand gears.