GFB 52mm Boost Gauge 30psi - 3730

A critical tool for every turbo car! Knowing your boost pressure is vital to ensure longevity of your engine. GFB's 52mm mechanical boost gauge reads vacuum to -30inHg and boost to 30psi, with a bold...

GFB 91-98 Nissan Silvia / 90-96 Nissan 300ZX (requires 2 kits) TMS Respons Blow Off Valve Kit - T9035

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can...

GFB 94-02 Nissan Silvia S14/S15 TMS Respons Blow Off Valve Kit - T9004

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can...

GFB 94-98 Subaru WRX Light-Weight Engine Pulley (Crank/Alternator/Power Steering Pulleys/Belts inc) - 2003

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...

GFB 99-00 Subaru WRX/Forrester GT Light-Weight Engine Pulley Kit - 2002

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 99-00 WRX/STi / 98-04 GT/XT Forester Direct Fit Deceptor Pro II - T9500

Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're not prepared to listen to it all the time. GFB's...

GFB 99-00 WRX/STI TMS Respons Blow Off Valve Kit - T9000

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can...

GFB 99-21 Subaru WRX STI WGA Wastegate Actuator (Tune Required) - 7305

Massive Performance, Compact Size.• Industry-first diaphragm design - the WGA’s Silicone/Nomex diaphragm uses a new bead retention design that achieves the largest effective area with the smallest...

GFB Adaptor - SV52 Weld On to 6061 Aluminum - 6464

GFB Adaptor - SV52 Weld On to 6061 Aluminum

GFB Alfa Romeo Giulia/Stelvio Quadrifoglio Twin Turbo Integrated Solenoid DV+ Diverter Valve - T9396-2

GFB Alfa Romeo Giulia/Stelvio Quadrifoglio Twin Turbo Integrated Solenoid DV+ Diverter Valve

GFB Alfa Romeo Giulia/Stelvio Quadrifoglio Twin Turbo Whistling Trumpet VTA BOV - T9416-2

GFB Alfa Romeo Giulia/Stelvio Quadrifoglio Twin Turbo Whistling Trumpet VTA BOV

GFB ATOMIC Manual Boost Controller - 3001

Boasting a repeatable and stable boost curve, quick rise rate, and unbeatable value, GFB's Atomic has earned a reputation as being one of the most reliable and effective manual boost controllers on...