Grimmspeed Boost Control Solenoid - Subaru 06-07 WRX, 04-07 STI, 04-08 FXT - 57002 20" Clutch Disc: 6228218

Clutch Disc: 6228218

2) GT3 / GT3 RS Larger

Integrated Velocity Stack

FM4-SPSS kit features a Sport pressure plate for a nice upgrade

All channels can be named in virtually any language so that the information displayed makes sense to the user when displayed

Grimmspeed Boost Control Solenoid - Subaru 06-07 WRX, 04-07 STI, 04-08 FXT - 57002 20" Clutch Disc: 6228218The Original Direct Fit BCS for Turbo Subarus. GrimmSpeed is proud to provide the most complete and easy to use 3 Port Electronic Boost Solenoid for available for all turbo Subarus. Unlike your OEM 2 port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control, providing your tuner with the hardware he needs to safely tune your car with rock solid boost levels. Using our solenoid, you are able to spool your turbo quicker