GFB SV52 Blow Off Valve A4 We do a number of

We do a number of different kits to suit popular cam profiles

Nissan Skyline R31 RB20DET 85-90

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ST Suspension (part of the KW group) is synonymous with performance suspension upgrades for many makes and models

All GFB wastegates feature an investment cast body made from 253MA chromium-nickel stainless steel

GFB SV52 Blow Off Valve A4 We do a number ofStanding only 86mm tall (including the weld on adaptor), the GFB SV52 is 10mm shorter than the nearest competitor, AND flows more! Strength is important; Realizing that a high flowing valve like this will see duty in some high boost environments, we made sure the SV52 tops the class in that category as well, giving it an astonishing boost pressure rating of 300psi! The GFB SV52 50mm BOV also includes 2 springs PLUS a spring pre load adjustment system