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The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so successful the technology has since been adopted by most other brands. By "staging" the two...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to...

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...

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...

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 Pulley Belt for Kit 2014

Universal

GFB Replacement Part for Subaru Pulley Kits - Belt kit to suit pulley kits 2000 2001 & 2200 (2 belt

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

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

A Soft Spring ( Fits all Mach 2, Respons TMS, and Deceptor Pro II Valves. ) for Engines With Low Engine Vacuum E. G Larger Cam Shafts Universal

Universal

Standard Spring (used in all atmosphere venting valves, Respons, Deceptor Pro and atmosphere Mach 2) Universal