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23975R

79-04 Mustang Upper Control Arm Street Double Adjustable Red J&M Products Made in the USA

EAN: 0887753524829

UPC: 887753524829

Bumpers

Mustang Upper Control Arm Street Double Adjustable Fits: 1979-2004 Mustangs For additional information contact [email protected]
Reduces wheel hop & improves traction by eliminating control arm flex
Rugged 1 -14 threaded adjuster for added strength over conventional 3/4 threads Durable black or red powder coated finish
One piece saddle axle housing mount for a stronger design
On Car Double Adjustable for easy adjustment Synthetic

79-04 Mustang Upper Control Arm Street Double Adjustable Red J&M Products Made in the USA Just like the lower control arm bushings in the Mustang the upper control arm can have a significant impact on the vehicle's ride, comfort, handling, acceleration, noise and vibration. When the car leans (i.e., rolls) in a turn, one side of the chassis moves upward relative to the rear axle, the other side moves downward, and the upper control arm must twist (rotate) to allow for the axle to articulate through its suspension travel. This rotation causes the control arm bushing to bind. If this bind becomes excessive, it will raise the rear wheel rate and produce sudden, uncontrolled, undesirable changes in handling (e.g., snap oversteer). Ford minimizes this suspension bind by using compliant rubber bushings in the upper control arm. This very "soft" bushings help accommodate the necessary motion of the control arms during body roll. However, the rubber bushing does not provide much in the way of forward and aft support, which can cause wheel hop during hard acceleration and braking. It has become common practice to replace the stock rubber control arm bushings with solid or two piece polyurethane bushings to resolve the shortcomings of the soft rubber bushings. Hard polyurethane bushings eliminate wheel hop, reduce axle deflection, and improves straight line grip. However, the downside of common aftermarket bushings such as delrin, steel, stiffer rubber, solid or two piece polyurethane bushings is they prevent the necessary movement of the control arm during body roll, which in turn produces significant binding in the suspension when the vehicle is cornering. The polyurethane bushings also place unnecessary high stresses on the upper torque box mount, which is the attachment point for the control arm to the chassis. Standard aftermarket control arms do not allow for rotation of the control arm during cornering because of the stiffness of the bushings.

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