Perrin Differential Lock Down System

Eliminate drivetrain flex and unlock instant throttle response with the Perrin Differential Lock Down Kit for your 2008-2014 WRX/STI. Engineered for serious performance driving, this system locks your rear differential in place for maximum power transfer and reduced squat under hard acceleration.

Key Benefits:

• Zero Differential Movement – Aluminum and urethane bushings eliminate flex under extreme conditions
• Instant Power Delivery – Direct throttle response with no delay between engine and wheels
• Reduced Squat – Improved weight transfer and traction off the line
• Track-Ready Performance – Built for drag racing, road racing, and aggressive street driving

What's Included:

• 2 precision-machined aluminum bushings
• 4 high-durometer urethane bushings
• Complete hardware kit

Part Number: PSP-SUS-535

PROPOSITION 65 WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov