J&M Products 2005-2010 Mustang On-Car Adjustable Upper Control Arm - Extreme Joint (Part #23990)
Part # 23990-B
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Fitment
Confirm your year, model, and package before ordering.
2005-2010 Ford Mustang On-Car Adjustable Upper Control Arm Extreme Joint
Part # 23990 | Made in the USA by J&M Products
Need rear upper arm articulation without bind or deflection? When your Mustang rolls into a corner, the chassis moves up on one side and down on the other, and the upper control arm has to twist to let the axle articulate through its travel. Factory bushings and stamped hardware struggle to allow that motion without flexing - especially on a lowered car pushed hard in the corners.
J&M's Extreme Joint upper control arm uses a spherical bearing to allow the articulation your suspension needs while eliminating the deflection that hurts handling precision.
Key Features & Benefits
- On-car adjustable - fine-tune pinion angle and suspension geometry without removing the arm
- J&M bearing specification - spherical bearing and rod end built to J&M's premium strength standard
- Sintered bronze liner - not standard PTFE; stronger liner for durability and smooth travel
- 52100 heat-treated ball with 4340 chrome-moly bearing race
Fitment
Fits: 2005-2010 Ford Mustang (S197).
Application notes: Street/Race adjustable Upper Control Arm Extreme Joint. Select your powder coat finish from the product options before adding to cart.
Why Choose J&M
- Made in the USA - Designed and manufactured by J&M Products
Upgrade with confidence and feel the difference where the tire meets the road. Select your powder coat finish above and add to cart.
Shipping & returns
U.S. orders can be placed online. Canada and other international orders are handled by email at sales@hotpart.com. Full shipping & returns policy.