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  1. Strange N1869T Ford Eaton TruTrac 8.8 Differential (31 Spline)

    Strange N1869T Ford Eaton TruTrac 8.8 Differential (31 Spline)

    $675.00

    A helical gear differential is a mechanical unit that, unlike the Locker, offers smooth and progressive power transfer. If one tire begins to slip relative to the other tire, a separating force is created between the pinion gears and side gears. This generates internal friction which slows the spinning wheel and sends power to the wheel with the most traction. These differentials are comparable to the strength of a Locker, but without it’s downsides. The Strange 9” S-Trac, due to materials and design, exceed the strength limits of the Locker while offering all the benefits of a helical gear unit.Learn More
  2. Strange N1882 Ford 8.8 Helical Differential (35 Spline)

    Strange N1882 Ford 8.8 Helical Differential (35 Spline)

    $1,429.00

    Strange Engineering 35 Spline Ford 8.8 Helical Differential w/Special Side Bearings, Races, and Shims

    Learn More
  3. Strange R542054 Auburn Cone Differential for 8.8 Ford (31 Spline)

    Strange R542054 Auburn Cone Differential for 8.8 Ford (31 Spline)

    $565.00

    In cone systems the case is machined with tapered bores and the side gears have a mating cone shape on their backside. There is a spring or springs that apply pressure to the side gears causing them to wedge into the case. It also uses spider gears and a cross shaft as above. The operation is much the same as the clutch system, but utilizes tapered cones instead of clutch packs. Standard Duty units have smaller cones than the Heavy Duty. Larger cones have more surface area resulting in more holding power and longer life. These are non- rebuild-able and must be replaced when worn out.Learn More
  4. Strange Pro Series Lightweight Steel Spool Fits Ford 8.8 with 31 Spline Axles - D1558

    Strange Pro Series Lightweight Steel Spool Fits Ford 8.8 with 31 Spline Axles - D1558

    $198.00

    Description
    Pro Series Spool
    For 31 spline axles

    Requirements
    C-clip Eliminator kit or aftermarket housing ends
    Features
    • Machined from 8620 forged steel
    • Lightened to reduce rotating weight
    • Broached for 31 spline axles
    • Same spline locations as OEM differential
    • Critical dimensions left oversize prior to heat treatment
    • Heat treated for further gains in strength
    • Finish machining after heat treat to bring surfaces within specifications
    • Designed and machined by Strange Engineering
    • Forged in the USA

    Weighs 8.80 lbs

    Lightweight Pro Series Steel Spools Carry A Limited Lifetime WarrantyLearn More
  5. Wavetrac Ford 8.8" 33 Spline Differential

    Wavetrac Ford 8.8" 33 Spline Differential

    $1,335.50

    ***THE MANUFACTURE ONLY RECOMMENDS THE FOLLOWING AFTERMARKET DIFFERENTIAL FLUID:

    75W90 Motul Gear 300 (100118)
    75W140 Motul Gear Competition (101161)

    *CANNOT BE USED WITH C-CLIP STYLE AXLES (MUST USE C-CLIP ELIMINATORS OR BOLT-IN TYPE AXLES).

    **THE WAVETRAC IS THE ONLY TORSIONAL DIFFERENTIAL MANUFACTURED THAT WORKS IN NO OR NEAR NO-LOAD CONDITIONS!

    Product Description
    THE WAVETRAC® AT A GLANCE:

    • 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 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.Learn More

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