Add to Cart Motorad Mishimoto Racing Thermostat (169 Degrees) - 2009+ LS3/LS7/LS9/LSA MSRP: $62.95 $49.95 You save $13.00 Does Not fit 2008 to Early 2009 Pontiac G8 Lower activation temperature allows coolant to flow through the engine earlier, maintaining lower temperatures (Mishimoto thermostat activates at 169°F vs. stock 178°F) Mishimoto Lifetime... Add to Cart Compare