FIT FOR - Performance throttle body Spacers for 1997 1998 1999 2000 2001 2002 2003 Ford F-150 4.6L, 1997 1998 1999 2000 2001 2002 2003 Ford F-150 5.4L. HIGH PERFORMANCE - The throttle controls the throttle opening in real time by adding corresponding sensors and electronic control units, which helps to improve the safety, power, stability and economy of the car, and reduce emissions. IMPROVED ENGINE EMISSIONS - At idle, the throttle is maintained at a very small opening angle to stabilize combustion, improve fuel economy and further control emissions. SAFE DRIVING PROTECTION - Electronic throttle control system achieves the best torque output of the engine to ensure the safety of driving.
