top of page

• 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

Wavetrac - 9" Ford, 31 Spline (Manufacture # 56.309.175WK)

SKU: 5W9F31
$795.00Price
Quantity

    Our Services

    Complete Rear Ends

    Custom Axles

    Brake Kits 

    Center Sections

    Differential Parts

    Suspension

    Hours

    Mon - Fri: 9am - 5pm EST

    • Facebook
    • Instagram
    • TikTok
    • YouTube

    Contact Us

    Tel: 260-301-2424
    redbirdspeedinfo@gmail.com

    Redbird Speed LLC

    755 Forest Park Drive

    Berne IN, 46711

    BerneB

    © 2023 by Redbird Speed LLC

    Prices are subject to change without notice. Items may be different than they appear in the pictures. Freight and tax are not included in the prices listed. 

    bottom of page