This is designed to regulate fuel pressure in the high-pressure rail. It’s a direct upgrade for 2.0T FSI/TFSI engines and is widely used in Stage 2+ and Stage 3 builds.
⚙️ Key Features
Opening Pressure: Rated at 140 bar, compared to the stock 130 bar valve
Performance Benefits:
Allows higher fuel pressure before releasing excess
Supports increased fuel delivery for tuned engines
Reduces risk of fuel starvation under high load
Compatibility: Fits VW and Audi platforms including MK5 GTI, MK6 R, TTS, Scirocco R, and EA113 engines
Installation: Bolt-on upgrade; can be installed without removing the intake manifold
🚗 Why Upgrade?
Prevents lean conditions at high RPM
Enhances injector performance and fuel atomization
Ideal for vehicles running aggressive tunes or upgraded turbos