FAST Throttle Bodies 54020 FAST Throttle Position Sensor for GM LS applications bolts to the throttle blade shaft and relays throttle opening/closing information to the ECU. The TPS is constructed of high resistance material with a sensitive rotator for accurate throttle position measurement. GM LS Throttle Position Sensor FAST Throttle Position Sensor, for GM LS FAST Throttle Position Sensor TPS
