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SR Performance 8.8-Inch 5-Lug Axles; 31-Spline (05-14 Mustang GT; 11-14 Mustang V6; 07-09 Mustang GT500)

Item 525038
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • 1541H High Manganese Steel Alloy
      • 31 Spline Axle
      • 5 X 4.5" - Five Lug Design
      • 32.810" / 31.680" Axle Length
      • Kit Includes Driver and Passenger Side Axles
      • Bearings, Seals and Studs Also Included
      • Fits 2005-2014 GT, Bullitt, BOSS, 2011-2014 V6 and 2007-2009 GT500 Mustangs with 8.8" Rears

      Description

      Performance Upgrade. If your running a heavily modified or forced induction S197 Mustang, your factory axles might be too weak to take the additional punishment. But after installing a set of SR Performance 1541H alloy steel axles, you will be sure to get all your Pony's power and torque firmly planted to the pavement - where it belongs.

      Built to Out Perform. SR Performance Axles are forged from premium quality 1541H high manganese steel alloy that is induction heat treated for an axle shaft that is stronger and much more durable than stock, making it perfect for high stress street and race applications.

      Application. This pair of SR Performance 5-Lug 31 Spline Axles are specifically designed for use on 2005-2014 GT, Bullitt, BOSS, 2011-2014 V6 as well as 2007-2009 Shelby GT500 Mustangs that have the factory 8.8" 31-spline LSD installed. ABS rings are not included.

      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.

      SR Performance

      SR Performance 525038

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Install Details & What's in the Box

      Installation Info

      What's in the Box

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

      Warranty

      SR Performance offers our valued customers the following Limited Warranty on all SR Performance product purchased after September 1st, 2026.

      What is Covered

      Subject to the terms, exclusions and limitations herein, and with respect only to products first sold in the United States, SR Performance warrants that its products shall be free of manufacturing defects for three (3) years from the date of initial retail purchase when the SR Performance product is installed and used on purchaser's vehicle according to supplied product installation instructions and/or warnings. This Limited Warranty is made only with respect to the initial purchaser and is not transferrable. SR Performance reveserves the right to require proof of purchase as a condition of this Limited Warranty and to make future revisions to this product or its Limited Warranty without obligation to provide notice of same to purchaser or to conform existing product to future revisions. Any change to this warranty made after purchase may be applied retroactively at the sole discretion of SR Performance.

      What is Not Covered

      Your SR Performance Limited Warranty does not cover damage or claims to any component, vehicle, or person other than the SR Performance product purchased. Your Limited Warranty is expressly limited to replacement of the item itself shall SR Performance determine item was not free of defect. As such, this Limited Warranty does not cover damage or claims to any component, vehicle, or person SR Performance determines to have been damaged by or subjected to:

      • Installation damage, collision damage, alteration, modification, misuse or failure to maintain.
      • Damage in any part attributable to:
        1. vehicle systems or components or
        2. combination with non- SR Performance products.
      • Normal wear and tear/product deterioration.
      • Theft, vandalism or other negligent or intentional damage.

      Remedy Limited to Repair/Replacement:

      The exclusive remedy provided for products covered under this Limited Warranty shall be, upon SR Performance’s inspection and at SR Performance’s option, either repair or replacement of product or parts (new or refurbished). Any parts repaired or replaced will be considered part of the original product and will not extend the term of Limited Warranty. Customers requesting warranty consideration should first contact the independent distributor selling your product to obtain a Returned Goods Authorization number. All removal, shipping, and installation costs are customer's responsibility. If a replacement part is needed before your part can be returned, you must first purchase the replacement part. Then, if SR Performance determines the part warrantable, you will be credited the purchase price of that part.

      This warranty is the only warranty made in connection with the purchase of this product. SR Performance neither assumes nor authorizes any manufacturer, vendor, retailer, other person or entity to assume for it any other obligation or liability in connection with its products or this Limited Warranty.

      Other Limitations - Exclusion of Damages - Your Rights Under State Law:

      • In consideration of the purchase price paid, neither SR Performance nor any independent distributor are responsible for any loss of use or time, rental costs, or for any incidental, consequential, punitive or other damages (whether arising in tort or contract) you may have or incur in connection with your vehicle, or your SR Performance product. Your exclusive remedy hereunder is repair/replacement of the item itself or refund as described above at SR Performance option. All implied warranties of merchantability and fitness for a particular purpose are hereby disclaimed or limited to the extent allowed under your jurisdiction.
      4.4

      Customer Reviews (130)

      Questions & Answers (12)

      Will It Fit My Mustang

      • Boss 302 - 12, 13
      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
      • GT500 - 07, 08, 09
      • V6 - 11, 12, 13, 14

      Fits 8.8" rear gears with 31 spline LSD or Spool only