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 venting outlets, at low valve lifts most of the air is...

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 withstand boost pressures of 100psi+. Put simply, it...

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 withstand boost pressures of 100psi+. Put simply, it...

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 withstand boost pressures of 100psi+. Put simply, it...

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 achieve a blow-off sound without having to put up with...

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 achieve a blow-off sound without having to put up with...

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 achieve a blow-off sound without having to put up with...

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 possible outside diameter. This keeps the overall size of...

True to our philosophy of Performance Without Compromise, GFB's Short Shift Kits are designed with a unique linkage system that means the shift throw is fully adjustable whilst retaining the stock gearstick height and requiring NO modifications to the...

True to our philosophy of Performance Without Compromise, GFB's Short Shift Kits are designed with a unique linkage system that means the shift throw is fully adjustable whilst retaining the stock gearstick height and requiring NO modifications to the...

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 the market. It is important to note that the Atomic does...

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...

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...

Exedy OE 2005-2005 Saab 9-2X H4 Clutch KitThis Part Fits:YearMakeModelSubmodel2004-2005SubaruBajaTurbo2004-2005SubaruForesterXT2005SubaruForesterXT Premium2002-2005SubaruImprezaWRX

For high-powered applications, EXEDY offers twin and triple Multi-Plate clutches. These are designed for high power street action as well as drag, road and rally racing. The twin plate clutches are rated for approximately 500 ft/lbs of torque and the...

For high-powered applications, EXEDY offers twin and triple Multi-Plate clutches. These are designed for high power street as well as drag, road and rally racing. The twin plate clutches are rated for approximately 500 ft/lbs of torque and the triple...

For high-powered applications, EXEDY offers twin and triple Multi-Plate clutches. These are designed for high power street action as well as drag, road and rally racing. The twin plate clutches are rated for approximately 500 ft/lbs of torque and the...

Exedy OE 2006-2008 Subaru Impreza H4 Clutch KitThis Part Fits:YearMakeModelSubmodel2006Saab9-2XAero2006-2014SubaruImprezaWRX2006-2007,2010-2014SubaruImprezaWRX Limited2009-2014SubaruImprezaWRX Premium2006-2007SubaruImprezaWRX TR2010-2012SubaruLegacy2...

Exedy OE 04-15 Subaru Impreza WRX STI 2.5T / 15-18 Subaru WRX STI Clutch KitThis Part Fits:YearMakeModelSubmodel2012-2014SubaruImprezaWRX2012-2014SubaruImprezaWRX Limited2012-2014SubaruImprezaWRX Premium2004-2014SubaruImprezaWRX...

The EXEDY Hyper Single Series clutch is engineered to optimize the performance of cars that are moderately modified, but do not require the clutch capacity of a multi-plate clutch. Similar to our multi-plate clutches, it has a purple anodized, forged...