TVR E6465
Servo valve
This is the earlier one way servo valve for the TVR Speed 6 engine. This is the one way servo valve which fits 2 of the 6 throttle bodies on the TVR Speed 6 engine and provides the vacuum feed for the servo operation. This valve was fitted up to late 2005, later cars took a larger valve. The thread on this valve is 1/4 BSP and has a diameter of approximately 13mm.