Wavetrac®: Designed from a clean sheet using state-of-the-art knowledge and engineering to be a better differential than any other. It uses a patented design to improve grip in low traction conditions. Wavetrac®: Gives you quicker acceleration and faster cornering by driving both drive wheels instead of just one. And, it offers improved no-load performance when compared to other helical gear differentials on the market. • Innovative: Patented Wavetrac® design automatically improves grip in low traction conditions. This feature is truly innovative and unlike any other torque biasing diff design. • Superior Materials: 9310 steel gears run in case-hardened billet or forged steel bodies. ARP® fasteners used throughout. • Maintenance Free: As supplied new, the Wavetrac® differential will perform a lifetime of service without maintenance or rebuilds. • Customizable: If desired, you can alter the diff’s behavior to suit your needs using optional components. • Limited LIFETIME Warranty: All Wavetrac® differentials include a transferable, Limited Lifetime Warranty.