Steeda X11 Mustang Ball Joints (2011-2014)

3 Review(s)
$42.00 (21%)
Steeda X11 greasable ball joints are a longer, stronger ball joint designed to raise the front roll center of your 2011-2014 S197 Ford Mustang, which becomes lower as a result of lowering the suspension. The X11 ball joint will improve handling by redu

Part Number: 555 8136

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Steeda's X11 balljoints are a longer, stronger ball joint designed to raise the front roll center of your Mustang which becomes lower as a result of lowering the vehicle with springs or an adjustable ride height system.

Raising the roll center eliminates the issues associated with the lower roll center which include reduced cornering grip, increased body roll, and increased understeer.

Our X11 ball joint will improve handling by reducing body roll and improving the front tire contact patch without increasing spring rate or roll bar rate. You will experience improved steering response and higher overall front cornering grip with reduced understeer as a result.

Steeda balljoints are made in the USA from high strength steel and case hardened to meet and exceed OEM strength and durability standards. All internal housing parts are made from low-friction Nylon to preserve factory steering feel and feedback. Strength testing showed tensile strength to be nearly four times as strong as the OE ball joint.

Designed to fit 2010 GT500, and all 2011 and up Mustang models. These ball joints come with all necessary hardware and are greaseable unlike the OE ball joint.

Please Note: 18" wheels are required for clearance. Also note when using the ball joint which relocates the outer control arm pivot point, a bump steer kit must be used with it because the relocation changes the geometry between the control arm and the tie rod ends which increases bump steer. Check out our bump steer kit here.

Product Benefits
  • Raises front roll center for improved handling
  • Reduces body roll
  • Reduces understeer
  • Exceeds O.E. ball joint strength and durability

CA Residents: Cancer and Reproductive Harm WARNING

Fitment & Features


Manufacturer: Steeda Autosports

Installation Information:

Level of Difficulty: Tech Recommended
Install Time: About 2 Hours
Tools Required: Basic Shop Tools
Print Instructions: Installation Instructions

Vehicle Fitment:

Fits Model Year: 2011, 2012, 2013, 2014

Customer Reviews

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Average Customer Ratings


x11 extended ball joints
this was professionally installed and no problems were encountered. as far as how effective this part is, i really have no idea as nothing has changed in the operation of my 2013 mustang gt has been detected. that's probably due to the large number of steeda suspension parts that are on my vehicle where nothing stock has remained. before installing the ball joints, a steeda bump steer kit was also installed. as to ratings, i gave it 4 stars for the reason above.
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Reduces body roll and understeer - handles like a whole new car now and we're really happy with this upgrade!
Did you find this helpful?  4 of 4 Found Helpful
Low and smooth
I like my car low and I like my car to not feel like it's low. Steeda ultralight springs Tokiko shocks Steeda Bumpsteer kit Steeda X11 ball joints The way to go !!!
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