This adapter provides a simple solution for converting from GM MAP sensors to Bosch TMAP sensors, which allows for higher boost and higher levels of precision from your sensors.  Serves as a Plug-n-Play Adapter for Solstice, Sky, Cobalt and HHR LNF Turbo. Pair CONN-85933 & CONN-85934 for the two sensor upgrade on LNF applications! See our Bosch TMAP selection here for a variety of pressure ranges.