Go Fast Bits

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

It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of...

GFB 02-10+ WRX/STI Crank Pulley (Not Under-Drive) - 2009

It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM in a second or two saps a measurable amount of...

GFB Nissan 200SX SR20DET Crank Pulley - 2005

GFB Nissan 200SX SR20DET Crank Pulley

GFB Standard Spring (used in all valves except 1002) - 6115

A Standard Spring (Used in all Atmosphere Venting Valves, Respons, Deceptor Pro and Atmosphere Mach 2)

GFB Fuel Pressure Gauge (Suits 8050/8060) 40mm 1-1/2in 1/8MPT Thread 0-120PSI - 5730

The 5730 can be used with any of the Go Fast Bits range of fuel pressure regulators for those wanting to have a quick visual way of monitoring fuel pressure

GFB VTA Valve 13-20 Ford F-150 2.7L/3.5L EcoBoost Engine - T9464

Ford F150 Ecoboost Application VTA BOV vents to atmosphere to make the signature turbo blow-off sound. it replaces the weak factory valve internals to ensure strength and reliability, especially in...

GFB VTA Valve 2019+ Ford Ranger 2.3L EcoBoost Engine - T9465

VTA BOVs vent to atmosphere to make the signature turbo blow-off sound, where the DV+ recirculates the air to keep it quiet. Each valve in the VTA range is designed specifically for the applications...

GFB SV52 High Flow BOV - Rated at Over 300psi (Suits All High Powered Turbo or Supercharged Engines) - T9052

Strength is important, Realizing that a high-flowing valve like this will see duty in some high-boost environments, we made sure the SV52 tops the class in that category as well, giving it an...

GFB Diverter Valve DV+ 2020+ Ford Ranger 2.3 EcoBoost Engine - T9365

GFB's DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation method to "pilot actuation" to ensure better performance on...

GFB Diverter Valve DV+ 12+ GM 2.0 LTG Engine - T9363

GFB's DV+ design solves the longevity and boost leaking issues that are common with factory diverter valves, and also changes the operation method to "pilot actuation" to ensure better performance on...