With SPD Performance 170 degree performance thermostats, you get consistent engine cooling and increased horsepower by reducing engine temperature. You'll also obtain more precise metering of water throughout your engine—as well as a long product life, since the thermostats are made from stainless steel.

Thermostat Temperature Selection Guide:

Please see climate map (or otherwise specified by Tuner)

170 Degree Thermostat is recommended for Red - Orange

180 Degree Thermostat is recommended for Yellow – Blue 

• Proper Bypass Control
• Ensures Maximum Cooling Efficiency
• Direct Replacement Installation
• Highly Recommended for Tuned Motors
• Protects Motor from Damaging Heat
• Cooler Temps for More Timing Advancement