Stern Power Ring and Stern Rear Diff Bushing Kit
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Stern Differential Power Ring

This insert is designed as an upgrade for the factory differential mount. It installs quickly and easily and helps prevent the common differential "clunk" associated with higher horsepower vehicles.


  • Aluminum 6061-T6 Construction
  • Custom die cut Neoprene gasket
  • All stainless hardware
  • Black anodized

Fits the following:

  • 1996 - 01 Audi A4 Quattro
  • 2000 - 01 Audi S4 Quattro
  • 1993 - 95 Audi 80 / 90 Quattro

Stern Differential Bushing Kit

This kit is designed as a factory replacement bushing kit engineered to reduce differential movement which translates to more power to the wheels. High durometer polyurethane bushings are used to maximize control with precision aluminum sleeves for a perfect fit. Quick and easy installation makes this a great upgrade for performance enthusiasts.


  • Polyurethane Bushings
  • Custom engineered
  • Quick installation
  • Factory fitment

Fits the following:

  • 1997-01 Audi A4 Quattro
  • 2000-02 Audi S4 Quattro
  • 1993-95 Audi 80/90 Quattro

Only 1 Kit per car is necessary.

  • Item #: ST-B5-DMT01-2

Stern Power Ring and Stern Rear Diff Bushing Kit

Price: $57.00
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