Porsche Variable Valve Timing Solenoid - 911 07-11 997-105-303-74 356-42-174 Designed for 911 models from

Designed for 911 models from 1989-1994

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Porsche Variable Valve Timing Solenoid - 911 07-11 997-105-303-74 356-42-174 Designed for 911 models fromVariable Valve Timing (VVT) Solenoid For Porsche 997 (2007 2009) (2011) Models. Porsche The Variable Valve Timing (VVT) Solenoid for the 07 11 911 model ensures optimal engine performance by precisely controlling the timing of the intake and exhaust valves. This improves fuel efficiency and power output, resulting in a smoother and more efficient driving experience.