Porsche 915-18: 911, 930 1974-77 Wavetrac LSD (40.309.140WK) - DiffLab

Porsche 915-18 911 930 1974-77 Wavetrac LSD (40.309.140WK)


  • $2,499

Wavetrac Helical LSD

• 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


We Also Recommend