APR High Pressure Fuel Pumps - S5 4.2L V8 (Post Nov 2008) (MS100077) 5010 Standard 52mm (2-1/16”) gauge housing

Standard 52mm (2-1/16”) gauge housing

ADJUSTABLE

AR2-HDG4 kit features ACT's most popular Heavy Duty pressure plate

but also improves the cores ability to dissipate heat

Non-intrusive mounting

APR High Pressure Fuel Pumps - S5 4.2L V8 (Post Nov 2008) (MS100077) 5010 Standard 52mm (2-1/16”) gauge housingThe APR High Pressure Fuel Pump (HPFP) increases maximum volume of fuel the HPFP can deliver by 41% 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. How the direct injection system works: A low pressure fuel pump (LPFP) in the fuel tank