 This 3-bar (approximately 30 psi boost) MAP sensor provides accurate boost pressure information to aftermarket or GM computers using aftermarket software. We also offer a connector accessory kit for upgrading from a different sensor. $99.99 |  Your inlet air temperature is critical to your vehicles calibration systems. This stand alone air temperature sensor is designed to work with GM input requirements and can be mounted anywhere you can add a 3/8 pipe tap. $9.99 |
 This optional upgrade enables your Big Stuff 3 to transmit all of the engines sensor data to the RacePak. That means you can eliminate the cost and mess of redundant sensors. $385.00 |  This upgrade gives the functionality of having Air/Fuel readings for each bank. It includes a software enhancment which adds resolution to the individual cylinder fuel correction. $600.00 |