GFB Gasket for Response BOV (For gfbT9001, gfbT9002, gfbT9501, gfbT9502)

The older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.

Go Fast Bits GFB Standard Replacement DV+ Plunger - 6121

GFB Standard Replacement DV+ Plunger

GFB DV+ Replacement Piston Spring - 6117

DV+ Replacement Piston Spring ( Fits DV+ valves from T9351-T9359)

Go Fast Bits Screw In Plug for Trumpet / Plumb Back Outlet - 6107

Screw-In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003)

GFB Mach 2 Atmosphere Conversion Kit for T9103 / T9133 from Recir to Atmosphere

Atmospheric Conversion Kit; Suits GFB # T9103, T9133

Go Fast Bits GFB Mach 2 Atmosphere Conversion Kit - 5930

GFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere

GFB Whistling Trumpet for GFB Valves - 5702

The 5702 can be used in place of the standard trumpet on all GFB valves, and will make the whistling sound more readily than the 5701 (high boost and RPM is required to get the whistle from a 5701), and at a slightly higher pitch.? Like the 5701 however,...

GFB Whistling Trumpet for Stealth FX and WRX Hybrid Valves - 5701

The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling sound. However, it is necessary to run the valve so that all (or most) of the air vents through the trumpet ? Respons valves will...

GFB 33mm Hose Plug - 5533

GFB 33mm Hose Plug

GFB 30mm Hose Plug - 5530

GFB 30mm Hose Plug

GFB Replacement Belts for Subaru Pulley Kits - 2100

GFB Replacement Part for Subaru Pulley Kits - Belt kit to suit pulley kits 2002 2003 & 2010 (2 belt

GFB Under-Drive Crank Pulley w/ Belt for Evolution Evo 4-9 - 2011

GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet of 6061-T6 aluminium, then precision CNC machined to...