Perrin Performance Rear Differential Lockdown for Subaru Drivetrain Rigidity

Perrin Performance Rear Differential Lockdown for Subaru Improve drivetrain rigidity and sharpen throttle response with the Perrin Performance Rear Differential Lockdown. Designed specifically for Subaru applications, this precision-engineered upgrade reduces unwanted differential movement under load to deliver more predictable handling and quicker power transfer. Key Benefits Increased rigidity: Minimizes rear differential movement to stabilize the drivetrain during hard acceleration and cornering. Sharper throttle control: Improved response and reduced drivetrain lash for a more connected driving experience. Durable construction: CNC-machined components and quality hardware engineered for daily driving and track use. Simple installation: Bolt-on design fits factory mounting points—no cutting or welding required. Vehicle-specific fitment: Tailored for Subaru rear differential housings to ensure proper alignment and performance. The Perrin Rear Differential Lockdown is ideal for enthusiasts seeking improved traction, reduced drivetrain deflection, and a more immediate feel from the rear end. Maintain factory serviceability while upgrading performance with a reliable, purpose-built solution.