Porsche XperTune Performance Handheld Tuner - Boxster | Cayman | 2009-2012 FS-POR-9872-ET JP18450 928S (1983-1984) Models

928S (1983-1984) Models

The water jacket and case both need to be machined to accept the 108-102

directly replacing your old or damaged retaining plate

valving will only allow the Accusump to discharge oil when the engine’s oil pressure drops below a predetermined level and only refill when the pressure rises above that level

Porsche XperTune Performance Handheld Tuner - Boxster | Cayman | 2009-2012 FS-POR-9872-ET JP18450 928S (1983-1984) ModelsPorsche XperTune Performance Handheld Tuner For Porsche 987. 2 Boxster (2009 2012), 987. 2 Cayman (2009 2012) Models. POWER GAINS: Stock Output: 256 Horsepower 214 lb ft Torque Tuned Output: 274 Horsepower 229 lb ft Torque TUNING PROCESS: Read Stock Data: Utilize the provided handheld device to read the original vehicle data through the OBD II port. Write ECU Tune: Transfer the new ECU tune file to the handheld device, and then upload it to the