Originally posted by 95dsmrsprojOk...this is the info we have so far: please add to it if you find more info ENGINE CONTROLLERS These engine controllers are a direct replacement for the production units and provide increases in both horsepower and torque. · Easy to install · Improves performance without affecting driveability · Requires the use of premium fuel - 7600 rpm rev limit · Emission exempt **(D-265-18) DOHC Manual Transmission P5007034 1995 P5007036 1996 P5007038 1997-99