Installation Time
(approx) 5 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Ford Racing IRS Knuckle and Hub Kit
(15-23 Mustang, Excluding GT350
Find parts that fit my vehicle Item 389952
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Rear IRS Knuckle and Hub Kit
- Direct Fit Replacement
- Original Factory Equipment - OE Fit and Finish
- Genuine Ford Part# M-5970-M
- Cast Aluminum Knuckles
- 5 X 4.5" - Five Lug Hub Design
- Pre-Installed Wheel Studs, Bushings and Steel Roller Bearings
- Driver and Passenger Side Included
- Fits All 2015-2023 Mustangs, Excluding GT350
Description
Stay Safe. Have you been in an accident or experiencing excessive wiggle or play in your rear wheels? Then you may need to replace those worn out Rear IRS Knuckles and Wheel Hub Assemblies with a brand new set from Ford Racing. Bad knuckles and bearings are not something to be ignored, they should be replaced ASAP to avoid a possible accident.
IRS Knuckles. The included Ford Racing IRS Knuckles are manufactured to the original factory specifications from cast aluminum for superior strength and light weight. The Knuckles come with the bushings and steel roller bearings pre-installed for ease of installation.
Genuine Ford Part. These genuine Ford Wheel Hub Assemblies are manufactured to the original factory specifications from OEM quality materials. The assemblies come complete with the bearings and studs already pressed into the hub for easier installation.
Application. This Ford Racing IRS Knuckle and Hub Kit is designed to be a direct fit replacement for all 2015 to 2023 S550 Mustangs, excluding GT350.
IRS Knuckles. The included Ford Racing IRS Knuckles are manufactured to the original factory specifications from cast aluminum for superior strength and light weight. The Knuckles come with the bushings and steel roller bearings pre-installed for ease of installation.
Genuine Ford Part. These genuine Ford Wheel Hub Assemblies are manufactured to the original factory specifications from OEM quality materials. The assemblies come complete with the bearings and studs already pressed into the hub for easier installation.
Application. This Ford Racing IRS Knuckle and Hub Kit is designed to be a direct fit replacement for all 2015 to 2023 S550 Mustangs, excluding GT350.
Ford Racing M-5970-M
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
- (1) Driver Side IRS Knuckle
- (1) Passenger Side IRS Knuckle
- (2) Rear Wheel Hub Assemblies
Tech Specs
Tech Guides:
4.3
Customer Reviews (7)
Questions & Answers (3)
Will It Fit My Mustang
- Bullitt - 19, 20
- EcoBoost - 15, 16, 17, 18, 19, 20, 21, 22, 23
- GT - 15, 16, 17, 18, 19, 20, 21, 22, 23
- GT500 - 20, 21, 22
- Mach 1 - 21, 22, 23
- V6 - 15, 16, 17
