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Product Fitment:
2002-2007 Subaru WRX
2004-2007 Subaru STI
Upgrade the rear differential mounting on your Subaru with the SuperPro SPF2664K Rear Differential Support Bracket Mount Bushing Kit. This direct-replacement bushing kit is engineered to eliminate drivetrain slop, reduce unwanted rear-end movement, and restore precise power delivery. Worn OEM rubber bushings can lead to clunking, wheel hop, vibration, and delayed throttle response—issues that this SuperPro kit resolves with long-lasting reliability.
Manufactured from SuperPro’s premium polyurethane, the SPF2664K bushings provide a firmer and more stable connection than factory rubber while still maintaining appropriate compliance for a comfortable ride. By minimizing differential movement under acceleration, deceleration, and cornering loads, these bushings improve traction, enhance drivetrain precision, and deliver a more connected driving feel.
Ideal for daily drivers, performance builds, and AWD systems that demand tight drivetrain control, these bushings offer a durable, maintenance-free upgrade backed by SuperPro’s lifetime warranty.
Kit Includes:
• 2 Polyurethane Bushings
• 2 Steel Tubes
• 2 Washers
Position: Rear – Differential Support Bracket Mount
Installation Time: Approx. 3 hours
Installation Difficulty: DIY With Tools / Professional Recommended
Warranty: SuperPro Lifetime Warranty
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