Wavetrac Front Limited Slip Differential - B5 S4/C5 A6/A8 Radium Engineering SPC Arms Feature:

SPC Arms Feature:

Higher Dynamic Flow Rate With no Increase in Minimum Fuel Mass

Can be applied to wet surfaces

You can also turn off the controller and use the gauge as a display

WHP Inline Fluid Temperature Sensors allow for easy installation of a coolant temperature sensor into almost any fluid hose application

Wavetrac Front Limited Slip Differential - B5 S4/C5 A6/A8 Radium Engineering SPC Arms Feature:Wavetrac Front Limited Slip Differential B5 S4 C5 A6 A8 The Wavetrac Audi A4 & S4 Quattro Differential is the only torque biasing differential on the market and uses a patent pending technology that mitigates wheelspin when an unloaded wheel or low grip condition arises. During zero axle load conditions, the Wavetrac cam device acts to create internal load, which transfers to the gripping wheel instead of acting like an open diff. Fitment: B5 S4 C5 A6