ARP MS100144 Features:

The APR High Pressure Fuel Pump (HPFP) increases the maximum volume of fuel the HPFP can deliver by 37% over stock! In doing so, the direct injection fueling system is capable of satisfying fueling requirements set forth by high horsepower setups. This is accomplished by increasing the displacement of the pump using high quality components to exacting tolerances.

• Dramatically increases the volume of fuel displaced by the HPFP by 37%
• Maintains higher pressures under demanding situations
• Fully rebuilt in-house
• Fully machine tested and broken in before shipping
• Includes a new OEM pump
• Upgraded and weight-matched spring
• Titanium retainer
• DLC-coated piston
• Heat-treated bearing-grade stainless steel material
• .00004" dimensional tolerances
• .00005" geometrical tolerances