71°C Sports Thermostat

The TRD Sports Thermostat (part number 16340-SP020) is engineered to enhance the performance of high-performance engines by actively reducing coolant temperature. By opening at a lower temperature than standard thermostats (approximately 71°C or 160°F), it promotes increased coolant circulation. This modification helps to prevent performance bottlenecks caused by excessive engine heat, allowing the engine to operate closer to its optimal performance parameters. The reduction in valve temperature is significant, ranging from 10 to 15 degrees Celsius below that of a standard thermostat, which can contribute to increased power output and improved engine responsiveness. This thermostat is specifically designed for a range of Toyota and Lexus models equipped with 1JZ and 2JZ engines, including the JZA70 and JZA80 Supra, JZZ30 Soarer, JX81/JZX90/JZX100 MarkII/Cresta/Chaser, and JZS147/JZS161 Aristo (Lexus GS300). It is also noted to have fitment for certain Venza models and the 2JZ engine in general. The product may include multiple gaskets for installation. It is important to note that TRD has discontinued this specific item, making it a rare and sought-after part. Availability may be limited, and the product is often sold as is, with potential inclusion of 1 rubber and 2 paper gaskets.