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Fusion Low-Pinion Fab 9" Semi-Float Rear Axle Assembly for Jeep TJ/LJ/XJ/WJ/ZJ/YJ


Part Number: FUS-SF9-TLJ
Brand: Fusion

For current axle lead times and shipping details:  See this page

***Image Shown with Optional Brake Package***
***Not ABS Compatible***

Fusion Low Pinion Fabricated 9", 35 Spline, Semi-Float HD Rear Axle for Jeep TJ, LJ, XJ, WJ, ZJ, and YJ sets the standard with class leading strength. 

The Fusion Fabricated 9" rear axle housing, with 3.5" x 3/8" wall DOM axle tubes along with 1/4" and 1/2" high strength A572 steel center section, is designed to handle heavy loads and punishing terrain.       


  • Included Fusion HD 9" dropout 3rd member with 35 spline pinion provides a significant strength increase over the OE axle       
  • Rock avoiding ground clearance measuring 5.5" from center of tubes to bottom of center section
  • Included forged and heat treated 35 Spline Chromoly Axle Shafts with optional wheel lug patterns
  • Available option to reuse the factory brakes
  • Optional HD Laser Cut and CNC Bent bracket kit, making the axle bolt-in ready
  • Available in OE width, wide widths, or custom width
  • Option to Ship painted with a durable 3-step commercial coating in gloss black

Just add gear oil and you are ready to roll!       


  • 5 year structural housing warranty
  • Lifetime axle shaft warranty
  • 5 year parts warranty on gears and lockers

    Optional Next Generation Rear 40 Spline Assembly.18 months of design, engineering and testing, resulted in the industries strongest 40 spline rear assembly. The design completed rigorous FEA testing and analysis.
    - Forged chromolyspindles, hubs, and axle shafts
    - Forged spindles have 4x more yield strengththan 35 spline spindles
    - Hubs with over 80,000 psi yield strength to match the spindles
    - Tone rings integrated into the hub
    - Forged 4340 chromoly 40 spline axle shafts that are 55% strongerthan 4340 35 spline axle shafts

    Fusion Elite Kingpin 60 Front Axle Standard Features:

    • 72" width for ideal steering geometry and tire clearance when running 40" tires. Other width available or call for custom width.
    • High clearance center section with custom low profile fabricated differential cover
    • Genuine Made in the USA Spicer® 10.1" (256 mm) ring and pinion gear
    • 3.5" diameter x 7/16" wall axle tubes
    • Lifetime Warranty US Made Chromoly axle shafts with 1480 solid u-joints
    • Massive, race inspired Kingpin inner knuckle Cs and outer knuckles, no ball joints to wear out
    • Fully machined springless steering arm attached with 6 ARP Studs
    • Steering arm upgrades available for full hydro or virtually any application
    • 1/4" plate axle bracketry designed to be the strongest in its class
    • 8 x 6.5 bolt pattern
    • Massive 13.25" brake rotors and dual piston calipers
    • Yukon Hardcore locking hubs