Bilstein B16 2005 Subaru Impreza WRX STI Front and Rear Performance Suspension System mazda rotary MB1-SPSS kit features a Sport

MB1-SPSS kit features a Sport pressure plate for a nice upgrade

boiling protection up to 265F

DeatschWerks -8AN Roll Over Vent Valve - Matte Black

4340 chromoly is one of the strongest materials available

Vibrant Performance Shut-Off Valves allow for easy control of fluid flow

Bilstein B16 2005 Subaru Impreza WRX STI Front and Rear Performance Suspension System mazda rotary MB1-SPSS kit features a SportBilstein B16 (PSS9) suspension kits feature ride height adjustability with 9 stage manually adjustable dampers in an OE quality, direct fit package. The 9 stage damping system adjusts both rebound and compression with each click to provide the best handling performance in any condition. These kits offer monotube performance dampers with matched springs that are tuned for each specific application. The zinc coated and threaded body design will give you