High performance engines require adjustments to be made to the fueling and ignition to get the best from the performance camshaft. With many engines now fitted with electronic controls even more performance is available if the microprocessor (chip) is also re-programmed. Kits contain a Piper camshaft kit and power chip. This G60 kit also contains a 68mm supercharger pulley. To suit Golf and Corrado G60 engines (PG engine code) Massive 50 BHP increase!