SuperPro SPF1974K Control Arm Upper Rear Inner Bushing Kit

The SuperPro SPF1974K is a rear upper control arm inner bushing kit engineered to restore and improve suspension performance. Control arm bushings form the vital pivot and link between all core suspension components, stabilizing arm movement to ensure correct wheel geometry is maintained under all driving conditions.

Worn or degraded factory rubber bushings allow excessive deflection, leading to unpredictable handling, accelerated and uneven tire wear, reduced steering response, and a generally imprecise driving feel. The SPF1974K replaces these failed OEM bushings with SuperPro's proprietary engineering-grade polyurethane formula, delivering superior durability and more consistent suspension geometry.

Key Features:

• Manufactured from SuperPro's proprietary low-compression, high-tear-strength polyurethane compound
• Steel inner tubes with zinc plating for corrosion resistance
• Restores proper rear upper control arm pivot geometry and alignment stability
• Reduces unwanted bushing deflection during acceleration, braking, and cornering
• Retains OEM-comparable noise, vibration, and harshness (NVH) characteristics
• Suitable for street performance, track, and off-road applications
• Backed by SuperPro's lifetime warranty with no exclusions for motorsport or off-road use

The SPF1974K is a direct-fit replacement kit designed to service both the left and right rear upper control arm inner bushing positions. SuperPro's polyurethane construction outperforms standard rubber in longevity and positional accuracy, making this kit an ideal solution for worn suspension components or as part of a performance suspension refresh.