FX-170 High-Pressure Fuel Pump

The Spool Performance FX-170 High-pressure Fuel Pump Upgrade is engineered to overcome the limitations of the stock HPFP on M278 motors, offering a substantial increase in fuel delivery capacity. This pump boasts a larger bore size, translating to roughly 50% more flow compared to the factory unit. It is fully E85 compatible and designed as a plug-and-play solution, requiring no cutting or splicing for installation. The primary benefit of the FX-170 is its ability to raise the fueling limits of the M278 platform. This allows tuners to support significantly higher ethanol concentrations and accommodate larger turbochargers, thereby unlocking greater performance potential from the engine. The kit includes two FX-170 upgraded high-pressure fuel pumps, an Ethanol Content Monitor kit with a mobile app, a Bosch spec 10-micron high flow fuel filter, and upgraded fuel lines with all necessary installation hardware. Installation of these upgraded pumps necessitates calibration changes. It is crucial to apply these adjustments before starting the engine to prevent potential damage and warranty voidance. Spool Performance can supply calibration details to your tuner or help you find experienced tuners. Custom tuning is required to achieve maximum output tailored to your specific vehicle setup and environmental conditions. Spool Performance acts as a hardware manufacturer and does not provide custom tunes but offers support for tuner inquiries. Proper low-pressure fuel system fueling is critical for the durability and function of direct injection (DI) systems, including the high-pressure pumps and injectors. Insufficient low-pressure fueling can lead to damage to the pump's piston and bore, which are lubricated by fuel leakage. Such damage resulting from low-pressure starvation is detectable and will void the warranty. It is essential to plan for appropriate low-pressure upgrades when building a fuel system with these high-pressure pumps.