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GFB 99-00 Subaru WRX/Forrester GT Light-Weight Engine Pulley Kit
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...
GFB 02-10 WRX/STI 2 Piece Under-Drive Pulley Kit w/ Belts (Crank & Alternator)
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...
GFB G-Force Solenoid Includes 2 Hosetails
Replacement for all boost controllers, also can be used for any aftermarket ECU's.
GFB D Boost V2 VNT Manual Boost Controller (for VNT/VGT Turbos)
Repeatable And Stable Boost Curve,100% Reliability, Zero Maintenance, Easy To Install In Minutes Easy To Adjust, Set-and-forget, Precision Needle Valve Bleed System, Manufactured In Australia In Accordance With ISO 9001
GFB Diverter Valve DV+ 2022+ Subaru WRX (FA24) w/Integrated Solenoid
The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previous turbo Subaru engines. This is...
GFB Diverter Valve DV+ 2022+ Subaru WRX
The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previous turbo Subaru engines. This is...
GFB Diverter Valve DV+ 1.4 TSI Twin Charged Engines
Furthermore, these benefits won't cost you the Earth! Rather than throwing the entire factory diverter valve system in the trash (like other manufacturer's "solutions"), the DV+ keeps what works, and...
GFB SV52 High Flow BOV - Rated at Over 300psi (Suits All High Powered Turbo or Supercharged Engines)
Strength and reliability is the primary factor, something that a diaphragm simply cannot match in a high-boost BOV environment. Diaphragms have their place (we use them in our wastegates), as...
GFB EX38/44 7psi Wastegate Spring (Middle)
GFB EX38/44 7psi Wastegate Spring (Middle)
GFB EX38 38mm V-Band Style External Wastegate
The 7002 wastegate features an investment cast body made from 253MA chromium-nickel stainless steel, a one-piece stainless steel valve, and a nomex reinforced diaphragm to cope with the extreme conditions...
GFB 44mm V-Band External Style Wastegate
The 7002 wastegate features an investment cast body made from 253MA chromium-nickel stainless steel, a one-piece stainless steel valve, and a nomex reinforced diaphragm to cope with the extreme conditions...
GFB Gasket for Response BOV (For gfbT9003 & gfbT9503)
The older valves used gaskets, the newer types have a o ring in the flange and therefore a replacement gasket will not be required.
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.
GFB Plunger Spring for DV Valve
DV+ Replacement Plunger Spring Fits DV+ ( valves from T9351-T9359)
GFB DV+ Replacement Piston Spring
DV+ Replacement Piston Spring ( Fits DV+ valves from T9351-T9359)
GFB Screw-In Plug (screws into any GFB Trumpet or plumb-back outlet. Valves manufactured before 2003
Screw-In Plug (screws into any GFB trumpet or plumb-back outlet, except valves manufactured before 2003)
GFB Mach 2 Atmosphere Conversion Kit-Changes T9103 or T9133 from Recir to Atmosphere
Mach 2 Atmosphere upgrade kit to convert mach 2 from recirculting to atmosphere venting BOV. Consisting of trumpet, spring and plug.
GFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere
GFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere