When working on your cylinder head, we recommend replacing the valves, valve seat rings, guides, springs, retainers and temperature sensor at the same time to reduce future labor costs. Cost effective, German made exhaust valve for the 964 c2 / c4 and rs that have the m64.01/02/03 motors. Sold individually. 6 necessary per car.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.

View/Change Diagram

911 1978-83 - Engine	911 1984-86 - Engine
911 1987-89 - Engine	911 1989-94 - Engine
911 1994-98 - Engine	911 Turbo/GT2 2001-05 - Engine
911 Turbo/GT2 2007-09 - Engine	911 Turbo/GT2 2010-13 - Engine

As valve guides age, they lose their ability to locate the valve to the valve seat. That can create a loss of performance due to the ineffective seal of the combustion chamber. Be sure to replace your guides when replacing valves, valve springs, etc. Sold individually. 6 necessary per vehicle.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.

As valve guides age, they lose their ability to locate the valve to the valve seat. That can create a loss of performance due to the ineffective seal of the combustion chamber. Be sure to replace your guides when replacing valves, valve springs, etc. Sold individually. 6 necessary per vehicle.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.