Nissan GT-R RB20 & RB25 UPGRADE Blow off valve OPEN GFB

The coveted open divert valve from GFB for all RB20 and RB25 engines as in the R32, R33 and R34 The GFB Response is one of the best blow-off valves out there. It has a stepless adjustment possibility. It has a CNC-machined aluminum housing and is black anodized. It also has a brass piston. In this way, the amount of air to be blown to the outside, be adjusted continuously. So on the one hand the volume of the turbo hiss can be regulated. On the other hand, in vehicles where there are problems with the engine control when too much air is released into the atmosphere, just the right setting can be found, so that no problems occur. The spring stiffness can be adjusted very easily depending on the driven boost pressure by adjusting screws with different lengths so as not to lose any pressure in the overboost. The response is high quality produced under compliance with the ISO 9001 standard.