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The 034Motorsport Billet Rear Crossmember / Differential Carrier for the B5 Audi A4/S4/RS4 Quattro is an absolute must for serious drag/road racing to prevent failure of the factory cast aluminum piece.
This high-quality piece was designed utilizing CAD software and is precision CNC machined in-house from billet aluminum.
Please Note: Available with or without pressed-in Density Line Differential Carrier Bushings. Select option above.