SLP Thermostat, 160º 2008-09 1/2 L76 Pontiac G8/2004-08 LS1/LS6/LS2/LS3/LS7 Corvette/2004-06 LS1/LS2 GTO/2004-06 4.8/5.3/6.0 Silverado/Sierra/SUV/2007 Classic/2006 SLP offers this 160º thermostat for all LS1/LS2/LS3/LS6/LS7 2004-08 Corvettes/2005-06 GTO/2004-06 (2007 Classic) Full Size Trucks/SUV's equipped with 4.8/5.3/6.0L engines along with 2006 Trailblazer SS and 2008-09 ½ Pontiac G8. These low-temp thermostats dramatically reduce operating temperatures, while increasing thermal efficiency and your engine's performance in the process. Racers know that a cooler running engine is a better performing engine. This new thermostat replaces the factory unit, allowing coolant to circulate at lower engine temperatures, keeping the engine cooler. NOTE: Not legal for use on pollution controlled vehicles. NOTE: This thermostat fits early model 2009 ½ Pontiac G8’s with the water pump housing on the passenger side (when looking at the front of the engine). ADD $4.95 HANDLING CHARGE PER ORDER