IWG75 Wastegate Actuator. GenV Twin Port Suit all EFR Series:TS-0620-4012. Turbosmart Unique Locking Collar System. This Improved ‘working ratio’ is achieved through an increase to the effective surface area of the diaphragm & revisions to the actual springs fitted, resulting in greater leverage of the forces the actuator is working against (boost and backpressure) while still being super-responsive.
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