This reinforced differential housing is a highly recommended upgrade for drivers tracking or drifting their Miata. Under high shock loads—such as aggressive downshifts or curb strikes—the factory passenger-side mounting arm is prone to failure. When this occurs, it can lead to secondary damage to the PPF and axles.
A welded reinforcement provides a reliable solution and serves as inexpensive insurance against these common failures in high-performance driving environments.
All differential housings are supplied with new seals and bushings installed, ensuring proper fitment and durability. A $125 core credit is available upon return of a stock housing.
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