Porsche Variable Valve Timing Solenoid - 911 07-11 997-105-303-74 356-42-174 Porsche Engine tune up for

Porsche Engine tune up for for 911 Turbo models (1996-1997) with a 3

Porsche Water pump for 928 (1978-1986) models

996 (1999-2004) and Boxster S (2000-2004) models

Designed for 911 models from 1989-1994

5mm drain plug while others use a 14 x 1

Porsche Variable Valve Timing Solenoid - 911 07-11 997-105-303-74 356-42-174 Porsche Engine tune up forVariable 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.