Camaro/Firebird 1985-89 Hypertech ThermoMaster Computer Chip Hypertech ThermoMaster Computer Chip is the most powerful chip you can run on the street. Used in conjunction with the Hypertech Power Stat Thermostat, the ThermoMaster not only provides maximum performance but also helps keep the engine cooler in extreme heat situations. Select Application below, shipping is not included, call or email for shipping. Some of these are special order so allow extra delivery time. Not legal for use in California.