The Wavetrac® Differential is the only torque biasing differential on the market with patented technology that mitigates wheelspin when an unloaded wheel condition arises
precisely altering camber while maintaining proper clamping force
Compatible with new or used antifreeze (including DEX-COOLTM and long-life versions) to improve the heat transfer of ethylene and propylene glycol systems
giving you an increase of 5-8 horsepower along with a sporty track tone
from 01/23/2016
H&R TRAK+ Wheel Spacers - Audi Q7 4L 2007-2015 Control Arms The Wavetrac® Differential is theH&R TRAK+ Wheel Spacers are precision machined, hubcentric spacers engineered to improve wheel fitment, increase track width, and position the wheels farther outward for a more aggressive stance. Manufactured from H&R's proprietary high tensile aluminum alloy, TRAK+ spacers provide a lightweight, durable solution while maintaining proper wheel centering and load support. Available in multiple configurations including DR, DRS, DRA, and DRM Series, H&R