This actuator is designed specifically as a direct replacement for the MK5 VW Golf which utilises the 2.0 litre FSiT engine. This wastegate actuator, if assembled with the yellow colored spring, which is rated to a base pressure of 10-15 PSI, will increase the boost output of the application to a degree that will exceed the ability of the stock fuel system to maintain the necessary supply of fuel.This product is built with a predetermined actuator spring suitable for at, or slightly above factory boost levels. The actuator can be assembled with a stiffer spring upon request.
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