GFB DV+ Replacement Piston Spring
$14.11
$12.83
GFB6117
Forced Induction
Go Fast Bits
Under 100
Wastegate Springs
DV+ Replacement Piston Spring ( Fits DV+ valves from T9351-T9359)
GFB Mach 2 Atmosphere Conversion Kit-Changes T9103 or T9133 from Recir to Atmosphere
$60.88
$55.34
GFB5933
Accessories
Blow Off Valve Accessories
Forced Induction
Go Fast Bits
Under 100
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
$60.88
$55.34
GFB5930
Accessories
Blow Off Valve Accessories
Forced Induction
Go Fast Bits
Under 100
GFB Mach 2 Atmosphere Conversion Kit-Changes T9100/T9101/T9102/T9104/T9105/T9135 Recir to Atmosphere
GFB Whistling Trumpet (suits all valves)
$62.13
$56.47
GFB5702
Accessories
Blow Off Valve Accessories
Forced Induction
Go Fast Bits
Under 100
The 5702 can be used in place of the standard trumpet on all GFB valves, and will make the whistling sound more readily than...
GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)
$62.13
$56.47
GFB5701
Accessories
Blow Off Valve Accessories
Forced Induction
Go Fast Bits
Under 100
The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling...
GFB 08+ Subaru WRX Short Shifter
$345.92
$314.44
GFB4005
Drivetrain
Go Fast Bits
GV
Shifters
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...
GFB 04-07 STI Short Shifter Kit
$469.06
$426.38
GFB4002
Drivetrain
GD
Go Fast Bits
GV
Shifters
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...
GFB G-Force/D-Force Wiring Loom
$33.07
$30.06
GFB3855
Boost Controllers
Forced Induction
Go Fast Bits
Under 100
Replacement Suits all electronic boost controllers.
GFB G-Force Solenoid Includes 2 Hosetails
$174.34
$158.48
GFB3835
Boost Controllers
Forced Induction
Go Fast Bits
Replacement for all boost controllers, also can be used for any aftermarket ECU's.
GFB G-FORCE III Electronic Boost Controller
$634.41
$576.68
GFB3005
Boost Controllers
Forced Induction
Go Fast Bits
The latest iteration of GFB's feature-packed electronic boost controller now has the ability to monitor and display your engine's air/fuel ratio in either Lambda...
GFB 13+ Subaru BRZ / 13+ Scion FR-S Lightweight Alternator Pulley
$93.95
$85.40
GFB2221
Engine Components
Go Fast Bits
Pulleys - Crank, Underdrive
Under 100
GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the...
GFB 13 Subaru BRZ / 13 Scion FR-S 3 Pc L/W Pulley Kit (Inc Crank/Alternator/Water Pump Pulleys)
$527.04
$479.08
GFB2016
Engine Components
Go Fast Bits
Pulleys - Crank, Underdrive
GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the...
