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Speedway Fabricated Ford 9 Inch Rearend Axle Housing Kit, 54 In. Width
Speedway Fabricated Ford 9 Inch Rearend Axle Housing Kit, 54 In. Width

Speedway Fabricated Ford 9 Inch Rearend Axle Housing Kit, 54 In. Width

Universal Fit, Rear Position, Semi-Floating Axle Type, 54" Overall Width, 9 Inch Ring Gear Size

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Speedway Fabricated Ford 9 Inch Rearend Axle Housing Kit, 54 In. Width
Speedway Fabricated Ford 9 Inch Rearend Axle Housing Kit, 54 In. Width
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Part # 91046054
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Axle Type:
Overall Width:
Differential Included:
Ring Gear Size:
9 Inch
Axle Splines:
Bolt Pattern:
Dual: 5 on 4.5" | 4.75"
Housing Material:
Wheel Studs Included:
Hardware Included:
Sold in Quantity:
MFG. Part #:
Bearings Included:
Seals Included:
Rotors Included:


Looking for a budget-friendly and rock-solid rearend to complete your upgraded driveline? Look no further. These fabricated steel Ford 9" rearend housing kits feature all-new components for maximum durability. This 9 inch Ford axle housing is pumpkin-centered, which will offset the pinion yoke about 1". This is done to make fabricating a triangulated 4-link system much easier. Simply weld on your preferred brackets, slip in the included 31-spline axles and add the 3rd member of your choice (sold separately), and you have yourself a rolling chassis!

Total wheel-to-wheel mounting surface width is 54" (from hub-to-hub). The pumpkin is centered in the housing, which puts the pinion 1" offset from center, requiring different length axle shafts. This 54" housing kit includes one 27-5/8" long axle and one 25-1/4" long axle. These custom cut and splined axle shafts are manufactured from an induction heat treated 1541 forged alloy. These axles are specific to the aftermarket brake configuration standard in that they have a 2.5" brake space offset, 2.8" register hub and include late model large bearings (Torino bearings). Flanges are dual-drilled for both 5 on 4-1/2" Ford/Mopar and 5 on 4-3/4" GM wheel bolt patterns.

Kit includes the fabricated housing, a pair of axle shafts with bearings and seals, 1/4" thick heavy duty retainer plates, two sizes of wheel studs (1/2"-20 Ford/Mopar and 7/16"-20 GM), and a reusable 3rd member gasket. Also included are (8) T-bolts for the axle bearing retainer plates and (10) studs for the third member.

  • New fabricated steel center section
  • New 3" O.D. axle tubes w/ 3/16" wall thickness
  • Axle tubes are internally reinforced for additional strength
  • Performance 31-spline axle shafts
  • "New Big Ford" Toriono-style bearings, seals and HD retainers
  • Housing measures 49" from flange-to-flange
  • Assembled rearend measures 54" from hub-to-hub (a.k.a. axle flange face-to-face)
  • Fabrication-friendly centered pumpkin w/ 1" offset pinion yoke 
  • Includes wheel studs, 3rd member studs and T-bolts for bearing retainer plates
  • Includes vent on driver side axle tube
  • 3rd member sold separately
  • Brake kits sold separately
Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Currie CE-98129-27625 9 Inch Ford 31 Spline Axle Shaft, 27-5/8 Inch
    Qty x 1
  • Currie CE-98126-25250 9 Inch Ford 31 Spline Axle Shaft, 25-1/4 Inch
    Qty x 1
  • Speedway Fabricated Ford 9 Inch Rearend Axle Housing, 54 Inch Width
    Qty x 1
  • Speedway 9 Inch Ford Rearend Axle Housing 3rd Member Pumpkin Gasket
    Qty x 1

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Q & A

Videos & Articles
  • We will show you the differences among traditional I-beam and tube axles and suspension designs used on hot rods; the differences between cross and traditional steering, measuring for springs, what spindles to choose, and much more.
  • Dive into some of the history and unique differences between Ford and Chevy spindles for a solid front axles and what will perform best on your hot rod.
  • Speedway Motors employees are committed to helping customers, as well as working on their own projects during down time. Follow along as our employee, Zach, rebuilds a 10 Bolt.

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