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Fusion Elite Big Tube 14 Bolt - 40 Spline Rear

Sku: FUS-14BT-CA

Part Number: FUS-14BT-CA

Brand: Fusion

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

Fusion Elite Big Tube 14 Bolt - 40 Spline. Brand new, NOT re-tubed, 14 Bolt Casting, designed for 4" Diameter Tubes. Also available in a high clearance 13 Bolt Shave or Full Shave.All parts in Fusion Axle kits are brand new.

Re-tubing old axles is a pain and you never know what you are going to get. Plus, modern casting designs and technology are superior in strength and durability.

Please email or call in with your specs for offset and width.

Base Price Includes:

  • Brand new, Low Pinion 14 Bolt Housing with Forged 4340 40 Spline Spindles
  • 4" diameter DOM axle tubes in 3/8" or 1/2" wall
  • 40 Spline Wheel Hubs in 8 x 6.5 or 8 x 170
  • Wheel hub bearings, seals, and spindle nut kit
  • 40 Spline Forged 4340 chromoly axle shafts

Next Generation Rear 40 Spline Assembly. 18 months of design, engineering and testing, resulted in the industry's strongest 40 spline rear assembly. The design completed rigorous FEA testing and analysis.

Forged chromoly spindles, hubs, and axle shafts
- Forged spindles have 4x more yield strength than 35 spline spindles
- Hubs with over 80,000 psi yield strength to match the spindles|
- Forged 4340 chromoly 40 spline axle shafts that are 55% stronger than 4340 35 spline axle shafts and use the stronger 45 degree pressure angle.       


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

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