Genuine-spec Audi RS4 / R8 fuel-rail pressure-relief valve, 079130757 / 079130757C. Cracks around 140 bar. Stock 2.0 TFSI valves open nearer 120–130 bar, which caps rail pressure on a Stage 2+ file.
- OEM: 079130757 / 079130757C
- Crack: ~140 bar
- Fitment: EA113 2.0 TFSI rail (Golf 5 GTI, S3 8P, Golf 6 R and similar)
- Use: Stage 2+ / K04 with an upgraded HPFP and a file that asks for the extra pressure
- Not: the 165 bar aftermarket valve, and not Golf 7 Gen3
Collection Kew.

