Perrin Differential Lock Down System WRX/STI 2008-2014 | PSP-SUS-535 ECU Reprogramming Damping Levels 40-Level Height Adjustment

Damping Levels 40-Level Height Adjustment Yes Spring Rate(Front) 8 kg/mm (448 lbs/inch) Spring Rate(Rear) 6 kg/mm (336 lbs/inch) Spring Length(Front) 180 mm Spring Length(Rear) 200 mm Front Top Mount Yes

This complete front and rear air suspension system provides an ideal balance of comfort and performance

CNC Machined Flanges – Precision fit

Exhaust tip angle: 45 degree

Perrin Differential Lock Down System WRX/STI 2008-2014 | PSP-SUS-535 ECU Reprogramming Damping Levels 40-Level Height AdjustmentAdd drivetrain rigidity and precision to throttle input to your Subaru with the Perrin Differential Lock Down Kit. The new STI DLS kit consists of 2 aluminum bushings and 4 urethane bushings to completely remove any movement from the rear differential under extreme conditions such as drag racing and road racing. During all out driving conditions the drivetrain (diff included) will twist and move around before it starts to turn the wheels making