IE HPFP Upgrade Kit For Audi C7/C7.5 4.0TT S6, S7, & RS7

Our premium HPFP internals kit for your Audi 4.0TT V8 engine upgrades both factory high-pressure fuel pumps with performance high-flow internals. Leading-quality components and strict QC process will reliably increase the fuel delivery from your stock fuel system with a set of 11.67mm pistons providing additional fuel support for larger turbos and ethanol fuel. DESIGNED & MACHINEDIN THE USAIN-HOUSE PRECISION TWO UPGRADEDINTERNAL KITSFOR STOCK PUMPS HIGH-PRESSUREHYBRID TURBOFUELING SUPPORT LEADING FEATURES Two sets of HPFP internal kits to upgrade your stock pumps Reliably adds a larger fuel ceiling for increased flow Piston diameters increased to 11.67mm Largest stroke volume available Broken-in and bench tested on in-house pump dyno Constant diameter piston design for long-life operation Retains OE spring & retainer to avoid increased camshaft wear Tool steel DLC coated pin Nitrided tool steel cylinder Molybdenum disulphide im