COBB Rear Diff Pinion Crossmember Mount Bushing Pack

Upgrade your Subaru with COBB’s rear differential pinion crossmember mount bushings. Designed as a direct replacement for 2008–2021 WRX & STI, 2018 Type RA, and 2009–2018 FXT, this kit stabilizes the rear drivetrain mounting for crisper response, improved tracking, and reduced diff movement during aggressive driving and cornering.

• Direct replacement for the OEM rear diff pinion crossmember mount bushings on the listed Subaru models.
• Includes two mount bushings, two sleeves, and installation grease for a complete, ready-to-install kit.
• Two-piece design delivers consistent load distribution and reliable alignment under high-load conditions.
• Helps minimize axle wrap and unwanted drivetrain movement, enhancing steering feedback and stability.
• Compact kit dimensions: 7.5 in (L) × 6 in (W) × 3 in (H); total weight 1.2 lbs.
• Simple bolt-in installation uses factory mounting points with common hand tools; no special fabrication required.

What's in the Box

• 2 mount bushings
• 2 sleeves
• Installation grease

Specifications

• Model compatibility: 2008–2021 Subaru WRX & STI; 2018 Type RA; 2009–2018 FXT
• Kit dimensions: 7.5 in L × 6 in W × 3 in H
• Kit weight: 1.2 lb