Steeda Mustang Aluminum Upper Rear Control Arms (1979-2004)

3 Review(s)
$5.00 (2%)
The perfect compliment to our 1979-2004 Mustang aluminum lowers. Steeda upper arms get rid of the unwanted side to side sloshing and rear-end wiggle inherent with the stamped factory arms.

Part Number: 555 4802
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The perfect compliment to our aluminum lowers. Get rid of the unwanted side to side "sloshing" and rear-end "wiggle" with our super light weight aluminum upper control arms.

High strength, heat treated aluminum alloy resists flexing at 1/3 the weight of other control arms. You won't believe how light these arms are when you hold them in your hands, yet they have the strength to withstand ultra high loads.

Our exclusive 3 piece bushings help eliminate the noise, vibration, and suspension bind problems found with other control arms on the market. The results: racing traction and control, with the smoothness of a street car.

Note: *Does not fit 1999-2002 Cobra

Note: 1997 1/2 - 1998 models need to use 555-4100 adjustable upper due to unique upper control arm length. Call for more info.

Made from high strength, heat treated 6061 T-6 Aluminum alloy.

  • 25% lighter than factory control arms; less than one third the weight of other aftermarket steel control arms
  • Heat treated and TIG welded for maximum strength

Exclusive three part, two phase bushing

  • Center bushing reduces deflection for Maximum Traction
  • Special outer bushings-reduce suspension bind for better stability over uneven pavement
  • Improved handling
  • Better ride quality and less noise than hard or solid bushings
  • Won't damage upper "torque boxes" like other arms with solid bushings

Custom length to improve pinion angle

  • More traction
  • Better suspension geometry for lowered cars

Easy bolt-on installation!

Learn the differences in Steeda brand control arms, read our blog post for more info:

Product Benefits
  • Lightweight aluminum

CA Residents: Cancer and Reproductive Harm WARNING

Fitment & Features


Manufacturer: Steeda Autosports
Made in USA: Yes

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: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

Customer Reviews

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Average Customer Ratings


great addition
Purchased this along with the matching lowers. Improved the rear ends feel.
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Verified Buyer  
Thrilled and saddened all in the same day. Overall a great product! Welds are an issue.
Pulled these out of the package and at first glance and feel they look great and are much lighter. Today is the day to install so I paid close attention to the bushings and how they were greased only to find the welds were causing a bulge in all four bushings. After reading about how well machined and built these were I wasn't happy to find the first two hours would be spent with a dremel and diamond file. Four welds required filing to remove the interference. Look at the pictures on the STEEDA website... no bulging there, hmmm. Naturally this removed some of the paint and I believe the bushing and grease will keep corrosion at bay. Ending on a good note, the welds were VERY GOOD. There were no holes or pits in the welds and I believe they will hold for the life of the control arms even though filed to match the height of the bushing surface. *submission of these pictures is not a transfer of ownership and may be used in other how to videos and documentation by the original creator.
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Verified Buyer  
Great ride quality
I had these installed to compliment the Steeda Aluminum LCA's. Great ride quality and greatly decreases the side-to side axle movement.
Did you find this helpful?  1 of 1 Found Helpful
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