Aeroflow GM LS3 Factory OE Intake Manifold MAP Sensor Port Adapter 1/8" NPT Female (AF64-2193)GM LS3 MAP SENSOR PORT ADAPTER 1 8" NPT Female Part Number: AF64 2193 These MAP sensor adapters from Aeroflow are designed to suit the supercharger on your GM LSA, GM LS hi rise or GM LS3 factory intake manifolds. It will allow you to adapt the factory port of the MAP sensor to a universal 1 8" NPT thread. This will allow for aftermarket map sensors, boost reference port or to remote mount a map sensor externally. Made T 6061 aluminium and anodized