The Factory Pro O-AP0003A is an aftermarket 7075 alloy hub manufactured to fit AWESOMATIX O-AP0003 gear differentials and comes as a matched pair. It is intended for direct replacement or for drivers wanting a tougher hub option in their touring car driveline.
Confirm your chassis code before fitting since the part is specified for O-AP0003 units. As a tuning item, the hub changes the rigid contact between the gear set and diff casing and can be used to influence how the differential behaves on corner exit and under braking.
Workshop guidance: install this hub into the diff assembly in place of the original item, check spur and pinion alignment and bearing seating, and use correct torque practice. Re-inspect the assembly after a few test runs to ensure proper seating and wear characteristics.
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