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Gearworks HP10 3.250″ High Pinion is designed for the highest demand off road applications needing a high pinion front. Fitting into standard 9″ housings and utilising 10″ gears this can be found in a lot of the fastest Ultra4 cars around the world. The housing has a extra thick bottom with a smoother face to help slide across rocks and to take a beating. The standard load bolt keeps the ring gear from deflection.  5 pinion support bolts are 7/16″ to keep your pinion support tight in the heat of battle.  It uses a taller than stock 9″ tail bearing to add load capacity to this already overloaded spot and it is retained by a bolt in retainer plate.  The main caps are forged Chromoly with high quality ARP 12 point bolts retaining them.  The housing comes already pre-machined and drilled and tapped for ARB lockers.