APR High Pressure Fuel Pumps - B7 RS4

Fits Audi RS4 07-08

The 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.

• Dramatically increases the volume of fuel displaced by the HPFP by 41%
• Maintains higher pressures under demanding situations
• Fully rebuilt in house
• Fully machine tested and broken in before shipping
• New factory pumps included
• Upgraded and weight matched spring
• DLC coated piston
• Heat-treated bearing-grade stainless steel material
• Supports big power
• .00004" dimensional tolerances
• .00005" geometrical tolerances
• Spring seals replaced

Specification:

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