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Regular Price: $126.88 - Instant discount: $29.18 = $97.70
Product Fitment:
2004-2007 Subaru STI
2002-2007 Subaru WRX
2004-2008 Subaru Forester XT
Whiteline’s Rear Upper Rearward Differential Bushings (SKU: W91380) are engineered to maintain proper pinion angles while significantly improving drivetrain response. By reducing unwanted differential movement, these bushings sharpen gear shifts, reduce initial torque loss, and ensure more efficient power transfer to the wheels. Designed for durability and performance, this upgrade provides a noticeable improvement in driving feel—especially under acceleration.
Ideal for performance-minded drivers, these bushings offer a precise fitment with high-quality materials that outperform worn factory components. Whether you're restoring drivetrain stability or enhancing handling characteristics, Whiteline delivers a reliable, long-lasting solution.
Maintains correct pinion angles for optimal drivetrain alignment
Reduces differential movement for improved gear shifts
Minimizes initial torque loss and enhances power delivery
Rear upper rearward position
Rear mount: OD 55mm, length 41mm
Installation time: approx. 4 hours
Installation difficulty: Trade Specialist
Backed by a Limited Lifetime Warranty
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