Wavetrac Differential Rear - Audi / 4S / R8Wavetrac diffs are state of the art helical gear differentials designed, developed, and manufactured in the USA by Autotech Driveline. The Wavetrac Differential is the only torque biasing differential on the market with patented technology that mitigates wheelspin when an unloaded wheel condition arises. During zero axle load conditions, the Wavetrac cam device acts to create internal load, maintaining drive on the gripping wheel instead of acting

creating a significant performance benefit

200W - 295mm

5 Q7/Q8 AL552 ZF8 TCU Stage Descriptions:

which offers a more aggressive styling compared to your typical trunk spoilers

This kit comes complete with a custom Revo foam filter

5/8Y Audi A3/S3/RS3 models

Coupe Quattro 1990-1991

Pressure Plate Bolts M8x16

If you have concerns about your tools or your ability to properly inspect and/or disassemble and re-assemble your differential please do not hesitate to contact us

0 pulleys worth going after

HPA has spent 4 years of research and development to completely rethink the bearing housing design

BMW 2 Series - F22 LCI 09/2016 - 08/2018