⭕ This is what you will need to convert any Porsche air cooled engine up to 1989 to electronic fuel injection. You can get later model base manifolds for use on 1989 to 1998 model air cooled cars. Included is the base manifolds, throttle bodies, injectors with fuel rails, throttle position sensor, air temp sensor, air horns and air filter housing. You can use multiple different fuel injection control systems ranging from O.E. Bosch Motronic to AEM and any other system on the market. If you have any questions you can contact me !!