EMCD (DCCD) Roller Switch AP For this reason along with

For this reason along with the wear resistance provided by the hard anodizing these pistons can be used without compromise in everything from a daily driven street application to a highly competitive racing application

STI MY257 MY06-07/MY12-21

Also available to purchase individual components

NOTE:  MY04-07 version includes MY07 2nd and 3rd gear synchronizers (required for proper fitment in MY04-06)

The front air-fuel (AF) sensor is used by the ECU for fuel calculations during closed loop fueling

EMCD (DCCD) Roller Switch AP For this reason along withSwitch for driver controlled center differential. Thumbwheel roller switch adjusts differential locking torque split when in manual mode. Select between model year range for correct switch. Note: V4 6 models used a switch with a white bezel that is discontinued. It is our understanding that part no. 83243FA050 is simply a black version of the same switch and therefore can be used in its place. Manufacturer Part Nos.: 83243FA050 (MY96 04), 83245FE061