Product details:

JET Performance 289128S: Computer Chip/Module, Stage 2, Chevy, GMC, C/K-Series Pickup, Each - JET Stage 2 performance chips/modules will improve the performance of your car or truck with very little work. These chips have been programmed to deliver peak power increases under hard throttle conditions, such as towing and wide-open throttle. They offer a full range of DST programming of the air/fuel ratio, ignition advance, and transmission, and are fully track and dyno-tested to ensure the most possible power without affecting day-to-day drivability.Stage 2 power chips/modules must use the following for proper performance:. 180 degree thermostat. 91 octane or greater fuel. Free-flowing exhaust.