Perrin Differential Lockdown System, 2002-2007 WRX & 2004-2007 STi

Enhance your Subaru's performance with the PERRIN Rear Differential Lockdown, expertly engineered to increase drivetrain rigidity and deliver sharper, more responsive throttle control.

Included:
• (4) Diff Lockout Bushings
• (2) Diff Support Beam Lockout Bushings
• Warranty & Instructions

Features:
• Enhance your Subaru's performance with the PERRIN Rear Differential Lockdown, expertly engineered to increase drivetrain rigidity and deliver sharper, more responsive throttle control.
• Unlike some competitor parts that require presses or special tools for installation, the PERRIN Diff Lockdown is designed for quick and easy installation, taking 45 minutes or less with just basic tools.
• The PERRIN Rear Differential Lockdown reduces movement from the rear differential to enhance driver feel while adding minimal noise, vibration, and harshness (NVH).