1994-04 Mustang Steeda X2 Ball Joints by Steeda

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  • Steeda Mustang X2 Ball Joints (94-04)
Steeda Mustang X2 Ball Joints (94-04) 555-8101
  • Steeda Mustang X2 Ball Joints (94-04) 555-8101
  • Steeda Mustang X2 Ball Joints (94-04)

Steeda's X2 balljoints improves suspension geometry on lowered Mustangs by raising the spindle relative to the balljoint pivot-point. This raises the rollcenter back into the correct range for optimum handling.

Item #ST-5558101
MPN# 555-8101

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  • Corrects Steering Geometry of Lowered Mustangs
  • Lower Center of Gravity
  • Restores Roll Center Geometry


  • Made in the USA
  • Extensively Tested in Police Car Applications

What's in the Box

  • (2) Steeda X2 Ball Joints w/ Dust Shield
  • (2) Aluminum Spacer Rings
  • (2) Locking Nuts
  • (2) Grease Fittings
  • (1) Installation Instructions

Made in the USA

Product Description

Any time you alter the height of your ride, as you do when you install lowering springs (like Steeda Sport Springs), you upset the steering geometry. You can easily bring your front end back into spec with a set of Steeda X2 ball joints. Restore roll center geometry and lower you car's center of gravity.

PN: ST-5558101 fits 1994-2004 Mustangs. It also fits 87-93 Mustangs that are equipped with the Ford Racing M-2300-K Cobra Brake conversion kit or Baer 13" or 12" American Sedan Brake kits. It will not work with stock 87-93 brakes because of interference between the rotor and the repositioned control arm.

Steeda bump-steer kit, is highly recommended to prevent bump-steer whenever caster-camber plates are used in combination with the X2 balljoint.

Steeda's X2 Balljoint improves suspension geometry on lowered Mustangs by raising the spindle relative to the balljoint pivot-point. This raises the rollcenter back into the correct range for optimum handling, resulting in reduced body roll, quicker steering response and improved overall front tiregrip. Steeda's special balljoint reduces the need for oversize front swaybarsand allows the use of lower front spring rates, creating more grip overuneven pavement and better ride quality.

When a Mustang is lowered, the front roll center changes due to the new position of the suspension pivot points. Lower the car too much and the front roll center drops to well below ground level, and worse than that,the roll center moves side to side as the body rolls, resulting in lost gripand erratic handling. The lower roll center causes the body to roll more easily.

Countering this tendency usually requires a significant increase in front spring rate to simply control the added roll due to the lowered the rollcenter. This higher spring rate not only hurts ride quality, but it also reduces grip on rough surfaces, as the stiffer springs cause the tire to skip over bumps instead of following the contours of the road. The X2 balljointwas designed to eliminate these problems by correcting the front rollcenter geometry.

The X2 balljoint has a longer shaft, to raise the spindle relative to the balljoint pivot point. Spacers for the springs are included in the X2 kit to maintain the same ride height as a stock balljoint, but with a much improved roll center height. With the roll center restored to the proper height, smaller front swaybars and softer springs can be used. The result is a suspension that works for you to accommodate the small and large imperfections that are in any road or track, allowing the tires to stay planted on the ground where they belong.

The balljoints are made in the USA to Steeda's specifications by a respected name-brand supplier to Ford, GM and Daimler Chrysler. Except for their custom length, they are the same materials and construction that has been extensively tested in Panther applications, that is, police cars and other severe duty applications, where they have demonstrated durability that exceeds current production "regular" balljoints. They meet Ford's standards for friction, wear, and durability.

Because the balljoint changes the relationship between the lower control arm and the tie-rod, bump-steer should be checked whenever the X2 balljoint is installed. With stock caster settings, offset rack bushings are often enough to keep bump-steer within acceptable range. However, when caster is increased, the rear inclination of the spindle further raises the steering arm where the tie-rod attaches. Therefore, an adjustable tie rod end, commonly called a "bump-steer kit", is highly recommended to prevent bump-steer whenever caster camber plates are used in combination with the X2 balljoint.

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Product Videos

Mustang Steeda X2 Ball Joints Review & Install (94-04 All)

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Customer Photos (5)

Vehicle Applications

Ford Mustang - 1994 (94) - 1995 (95) - 1996 (96) - 1997 (97) - 1998 (98) - 1999 (99) - 2000 (00) - 2001 (01) - 2002 (02) - 2003 (03) - 2004 (04)

About This Brand

Steeda - Everything Mustang
Latemodel Restoration Supply is proud to offer Steeda products for your Mustang. Steeda Autosports is the #1 aftermarket company in Ford performance with performance Mustang, Focus & Fusion parts. With over 25 years under their belt, they are still one of the #1 aftermarket Mustang parts manufacturer in the industry. Their extensive research and development has produced top notch, high quality parts that get your Mustang performing, handling, and looking better. Shop LatemodelRestoration.com to get Steeda clutch cables, sport lowering springs, Tri-ax shifters, x2 ball joints, control arms, cold air intakes, sway bars, bumpsteer kits, coilovers, and a variety of other performance parts.

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