The 3 bar MAP Sensor is good for up to 32psi of boost MAP sensor which translates into improved boost response. Automatic temperature compensation. Allows smoother engine operation, higher boost levels, and better drivability than competitor's turbo MAP sensors. Fitment: For for 1997-2013 For 1500 2005-2012 For 2500 HD 2005-2012 For 1500 2005-2012 For 2500 2005-2009 For 2005-2012 For 2006-2009 For Trailblazer 2006-2009 For 2007-2008 For 1998-2000 For 1500 2005-2012 For 2500 HD 2005-2012 For 1998-2012 For XL 1500 2005-2012 For 2009 For 2008 For G8 2009 For GTO 2004-2006 For Grand Prix 2005-2008 For 2003-2007 For Escalade 2003-2007 [Engines: LS1 for LS3 LS6 LS7 LS9 LQ4 LY6 L31 LSX] Specifications: Type:Air Intake Pressure Sensor Number of Pin: 3-pin Reference Number:16249939, 12615136, NP-LS1MP3 Colour:Black + Red Material:plastic Package Contents: 10 x Air Intake Pressure Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.