Superior Axle & Gear 8.8 Axles - 31 Spline 4-Lug (79-93 5.0L)

Superior Axle & Gear 8.8 Axles - 31 Spline 4-Lug (79-93 5.0L)
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OUR PRICE$259.99
Market Price $309.99You Save 16% ($50.00)
Item # 21706
AmericanMuscle no longer carries the Superior Axle & Gear 8.8 Axles - 31 Spline 4-Lug (79-93 5.0L). Please check out 79-93 Mustang Axles for an updated selection.
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Product Features

  • 1541 carbon steel construction
  • 31 spline
  • 4 x 4.25" - four lug design
  • 29.25" axle length
  • Driver and passenger side axles included
  • Fits 1979-1993 Mustangs with 8.8" rears
Performance Upgrade. If your Mustang is heavily modded or running a forced induction setup, your stock factory 28 spline axles might be too weak to take the heat. These premium quality 1541 carbon steel axles have 31 splines to ensure all that power and torque is transferred straight to the pavement - where it belongs.

Stronger than OEM. Manufactured from high quality 1541 carbon steel using a computer controlled induction heat treatment that results in a stronger, more durable axle shaft. This shaft also uses a cold-formed rolled spline process that produces an axle spline that is up to 35% stronger than standard cut splines.

Application. This pair of Superior 4-Lug 31 Spline Axles are specifically designed for use on 1979 to 1993 5.0LV8 Mustangs equipped with a 8.8" 31-spline LSD or Spool only.

Application Note: 1986-2004 V8 Mustangs came factory equipped with 28 spline axles, except for 2003-2004 SVT Cobras which were 31 spline. All 2005 and newer V8 Mustangs come equipped with 31 spline axles.
  • Splines: 31
  • Length: 29.25"
  • Type: C-clip
  • Stud Pattern: 4 x 4.25"
  • Stud Type: Press in

Installation Time:

(approx) a Day

Difficulty Level:

Mechanical expertise or professional installation required.

What's in the box?

  • (2) 31 Spline Axles
  • (8) Wheel Studs
  • (2) Outer Axle Shaft Bearings
  • (2) Seals

What's in the box?

  • (2) 31 Spline Axles
  • (8) Wheel Studs
  • (2) Outer Axle Shaft Bearings
  • (2) Seals
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Fitment:
  • Foxbody 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93
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Known Exceptions:
Fits 8.8" rear gears with 31 spline LSD or Spool only

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