VW MK5 GTI/MK6R/SCIROCCO EA113 HPFP UPGRADE MK5 GTI We only stock the STG1

We only stock the STG1 10mm upgrade as this is the most commonly used

With VIS’s high pressure fuel pump

to reduce rotating mass

This freewheel prevents the balance shaft unit from spinning with engine rotation

This will increase NVH around the engines idle RPM

VW MK5 GTI/MK6R/SCIROCCO EA113 HPFP UPGRADE MK5 GTI We only stock the STG1The EA113 OEM operating pressure is 110 bar. At stock power levels, this is adequate for proper atomization and fuel mass delivery into the cylinders. With increased power demands through tuning and hardware upgrades, the fuel system is pushed to its limits to provide the requested fuel mass. With VISs high pressure fuel pump, your tuner has the capability to increase fuel pressure levels to beyond 170 bar with the correct relief valve! These are