JOUYI Fuel Pressure Regulator Spring Kit for Ford F250 F350 F450 F550 Excursion Replaces 3C3Z-9T517-AG 3C3Z9T517AG
- Features:Aftermarket Products with Premium Quality.
- Helps maintain fuel pressure at Idle, While Driving, or Wide Open Throttle.(Fuel pressure dropping out will cause damage to fuel injectors.)
- Maintaining Fuel Pressure will ensure reliability and maximize performance.
- Professional installation is recommended and Instructions not included.