4 Bar Fuel Pressure Regulator

4 Bar Fuel Pressure Regulator




This is a factory 4 Bar (58psi) fuel pressure regulator, made by bosch. It fits almost all VW Audi Applications, including the 1.8t, VR6, and 2.7t engines. This piece is a must when using 630cc injectors over 400whp on 1.8t engines, and is also required by MANY aggressive stock turbo chips. Used wisely, they can increase the horsepower limits of your fuel system.

Made By Bosch.
Fits nearly ALL VW / Audi
4 Bar / 58psi
3-4 minute plug and play installation.