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Fusion Semi-Float 60 Rear Axle Assembly for Jeep TJ/LJ/XJ/WJ/ZJ/YJ - JK Conversion


Part Number: FUS-SF60-TLJJK
Brand: Fusion

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

***Not ABS Compatible***

TECH NOTE: The Fusion SF60 JK Conversion axle uses Jeep JK outer assemblies and therefore requires the use of the 2007-2018 Jeep JK brake assembly.       

Fusion Semi-Float 60 JK Conversion Rear Axle for Jeep TJ, LJ, XJ, WJ, ZJ and YJ sets the standard with class leading strength. The axle shares the same differential casting and axle tubes as our Elite Full Float 60 rear axle assemblies, making it the strongest semi-float 60 rear axle available. 

Features and Specifications:

  • Fusion HD low pinion differential, providing significantly more ring & pinion strength as compared to a high pinion rear 60
  • Fusion HD Nodular Iron Differential Cover
  • Massive 3.5" Diameter 1/2" wall DOM Axle Tube
  • JK OE Width of 65.5" (OE TJ is 60.5")
  • Fusion HD Forged 35 Spline 4130 heat treated chromoly axle shafts
  • Option Fusion HD Forged 40 Spline 4130 heat treated chromoly axle shafts
  • 5x4.5, 5x5, 5x5.5 Bolt Pattern Options
  • Forged U-bolt style yoke with U-bolt kit
  • 9.75" Dana 60 Ring & Pinion
  • Selection of Dana 60 Carrier and locker options
  • Optional heavy duty 1/4" laser cut and CNC bent brackets
  • Fusion High Performance Commercial Paint Application
  • Designed and manufactured in the USA


  • 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