930 High Performance Long-Neck Intercooler Package

Now Available, the direct bolt-in, high-efficiency long-neck intercooler package capable of increased cooling, airflow, and performance for the 1978-1989 Porsche 930 Turbo.  No modifications are necessary to the original factory air conditioning system. The "Long-Neck" Style Intercooler:Long-Neck term refers to an intercooler outlet tube connecting directly to the throttle body.  The Long-Neck style intercoolers delete the original equipment air by-pass valve system (also known as the shuttle valve).This is the same efficient layout used on the 930-S and 964 Turbos. The Diverter Valve Systems: These large and heavy systems were found on the 1978-89 930 Turbo models and were later updated / removed by the factory on subsequent 964 Turbos. The housings were an intermediate component between the intercooler and the intake manifold.  The assembly serves to recirculate pressure back into the turbo's intake circuit when the throttle body is closed.  It does this with a vacuum-actuated piston