Porsche Exhaust Valve For Porsche 964 (1989-1994) Models.

An exhaust valve is a vital part of an internal combustion engine, responsible for expelling the spent gases from the combustion chamber after the power stroke. It works in conjunction with the intake valve to control the flow of gases into and out of the cylinder.

Key Functions:

• Gas Expulsion: Opens to allow the burnt gases from the previous combustion cycle to exit the cylinder and enter the exhaust manifold.
• Cycle Control: Ensures proper timing of the exhaust stroke, preventing interference with the intake stroke.
• Pressure Regulation: Helps maintain appropriate pressure levels within the combustion chamber for efficient operation.