Wavetrac limited slip diff Rear Audi s4/rs4 mfl

Wavetrac limited slip diff  Rear Audi s4/rs4 mfl

Wavetrac Differential for Audi/Porsche models! This limited slip differential replaces the rear differential on B5 Audi A4/S4/RS4 models, as well as Porsche 944s produced after 1986.

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kr 12.900,00 inkl. moms

Dela upp betalningen från kr 253,00 per månad.


  • Designed & Manufactured in the USA
  • Built With High Strength 9310 Alloy Steel
  • Exclusively Made, High Strength Fasteners By ARP®
  • Enhanced No-Load Bias Ratio
  • Interchangeable Friction Plates
  • Limited Lifetime Warranty


  • Porsche 944 1986+ (Including Turbo)
  • B5/B6/B7 Audi A4/S4 Quattro & B5 RS4 (Rear Differential)
    • Note: Will not fit B7 RS4.

Please Note: Porsche 944 turbo and turbo S models with OEM LSD and trans oil cooler option must convert to open-diff style drive gear, part number 016.155.165A and rollpin N.100.792.01.

Enhanced No-Load Bias Ratio via Wave Design Center Pack

One of the known shortcomings of a typical torque biasing differential is its loss of drive (behaving much like an open diff) under zero or near-zero torque conditions (for example, when there is 'no-load' applied through the drivetrain, either at vehicle stationary and/or transition from engine driving vehicle to engine braking and back).
The Wavetrac® differential uses a patent pending design to improve grip in low traction conditions. Precisely engineered, converging / diverging wave profiles are placed on one side gear and its mating preload hub. As the two side gears rotate relative to each other, each wave surface climbs the other, causing them to move apart. This imparts an increased normal force through the side gears, increasing the bias ratio as a function of load. This increase occurs automatically only when conditions find it necessary, and it 'reverts' back to its nominal bias ratio quickly and seamlessly, maintaining optimal drivability and performance at all times. It's like having two differentials in one: you get the benefit of a higher bias ratio when needed without detriment to the car's handling.


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