Upper Control Arm

his upper rear control arm replaces the factory stamped upper control arm reducing wheel hop and increasing traction. The S197 Mustang chassis uses a 3-link rear suspension system with a panhard bar to control the rear end under the vehicle. Under hard loads the factory pieces tend to flex and rubber bushings deflect leading to poor traction and erratic handling. Replacing the factory pieces with stronger well designed items eliminates this flex allowing for better control of the vehicle and improved traction during launches. This upper control arm is a direct bolt-on replacement which features greaseable high quality polyurethane bushings and on car adjustment. Quick and easy on-car adjustments can be made when needed with a simple turn of the wrench, there is no need to remove the control arm from the vehicle. Adjustment of the upper control arm allows pinion angle changes for suspension set-up and suspension correction when a vehicle has been lowered.

Additional Information

Upgrade to this upper rear control arm for enhanced traction and control, reducing flex and improving handling. With greaseable bushings and on-car adjustment, this arm is a reliable and easy bolt-on replacement.

• Chrome moly threaded adaptor to insure thread durability
• Durable powder coat finish, available red or black
• Greaseable high quality polyurethane bushings
• Heat treated 4140 chrome moly adjuster
• Mounting bracket CNC machined from 0.250” thick steel
• Reuses factory hardware
• TIG welding construction

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information