• Innovative:
Patent pending 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 steel bodies. ARP® fasteners used throughout.
• Maintenance Free:
As supplied new, the Wavetrac® differential will perform a lifetime of service without maintenance or rebuilds.
• Limited LIFETIME Warranty:
All Wavetrac® differentials include a transferable, Limited Lifetime Warranty.
 
APPLICATION:
9" Ford
31 Spline
*Requires Aftermarket 3.250" Case
Mfg. # 56.309.175WK
 
Deciding what posi to buy? Truetrac vs Wavetrac on YouTube:
https://youtu.be/L5SbeFapc-U