2024-2025
2015-2023
2010-2014
2005-2009
1999-2004
1994-1998
1979-1993
Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Alloy USA 8.8-Inch 5-Lug Axle; 31-Spline; Driver Side (99-04 Mustang GT, Mach 1)Find parts that fit my vehicle
Item 403347
$0.00
9 Reviews
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- High-Quality Replacement 8.8 Left Axle
- Features a 31 Spline 5 Lug Design
- Ideal for Hardcore Applications
- Ensures Powerful Torque
- Computer-Controlled Heat Treatment
- Cold-Formed Rolled Spline for Strength
- Created from 1541 Alloy Steel
- Professional Installation Required
- 10-Year Limited Warranty
- Fits all 1999-2004 Mustang GTs and Mach 1s
Description
Custom Made. Instead of settling for a subpar performance from your 1999-2004 Mustang GT or Mach 1, give your Pony the upgrade it needs to stay in the front of the pack with Alloy USA's 8.8 Left Axle 31 Spline 5 Lug. This high-quality left axle features a 31 spline, 5-lug design that is custom designed for your Mustang, ensuring a direct fit replacement that will immediately boost your drive.
Powerful Torque. Boasting a design that is perfect for hardcore applications, this left axle is an ideal addition if your Mustang is heavily modified or running a forced induction setup since it can stand up to the intense heat. With an unbeatable build that guarantees improved power and torque that is transferred straight to the pavement, this axle is sure to impress on the track and in the streets.
Heavy-Duty Construction. Thanks to the computer-controlled induction heat treatment that this axle undergoes, it boasts added strength and durability in the axle shaft for a long-lasting performance. With a cold-rolled spline process for a spline that is up to 35% stronger than standard cut ones and a 1541 alloy steel construction for unbeatable reliability wherever you go, this axle will continue to impress for a long time to come.
Warranty. This axle is backed by a 10-year limited warranty for protection against defects in materials and craftsmanship. Some limitations apply, so see the full warranty for details.
Installation. Installing this left axle takes professional skills. However, it can be completely secured in just 4 hours.
Application. Alloy USA's 8.8 Left Axle 31 Spline 5 Lug is designed to fit all 1999-2004 Mustang GTs and Mach 1s.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Left Axle
4.8
Customer Reviews (9)
Reviews of Alloy USA Drivetrain products have an average rating of 4.4 out of 5
Questions & Answers
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