The Aeroflow Performance Pressure Sensor Block is a must to protect your transducers from harsh engine vibrations, shock loads and heat leading to premature failure to the sensitive internals of the modern day pressure sensors when mountingdirectly to engine blocks. To prolong the life and reliability remote mounting these sensitive pressure sensors is recommended to improve service life and reliability. This block will allow you to remote mount up to 1 sensor with 3 x 1/8"NPT ports to choose from. Thisblock includes rubber mounts to help protect the sensor from the harsh vibrations of the vehicle. Compatible with all transducers that utilize 1/8" NPT male threads.