Perrin Rear Differential / Subframe Lockdown System - 02-07 WRX/STi - PSP-SUS-525 96mm NGK Standard spark plugs are

NGK Standard spark plugs are proven technology that offer reliable performance

These changes allow fitment for 06-15 Civic SI w/Rotrex applications and better clearance with power steering pumps

TC1-SPSS kit features a Sport pressure plate for a nice upgrade

hotter exhaust also moves quicker for increased performance

2003:Chevrolet:Silverado 2500 HD:Base

Perrin Rear Differential / Subframe Lockdown System - 02-07 WRX/STi - PSP-SUS-525 96mm NGK Standard spark plugs areAdd drivetrain rigidity and precision to throttle input to your Subaru with our PERRIN Diff Lock Down System. Perrin 02 07 WRX STi Rear Differential Subframe Lockdown System Fitment: Subaru STI 2004 2007, 2004: Subaru: Impreza: WRX STI, 2005: Subaru: Impreza: WRX STI, 2006: Subaru: Impreza: WRX STI, 2007: Subaru: Impreza: WRX STI, 2007: Subaru: Impreza: WRX STI Limited, Subaru WRX 2002 2007, 2002: Subaru: Impreza: WRX, 2003: Subaru: Impreza: WRX,