BUY NOW, PAY LATER. Starting at 0% APR 
GFB Whistling Trumpet (suits all valves)
$42.75
$38.48
GFB5702
Blow Off Valve Accessories
FAST
Forced Induction
Forced Inductions
Go Fast Bits
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)
$42.75
$38.48
GFB5701
Blow Off Valve Accessories
FAST
Forced Induction
Forced Inductions
Go Fast Bits
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
$239.00
$215.10
GFB4005
Drivetrain
FAST
Go Fast Bits
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
$325.00
$292.50
GFB4002
Drivetrain
FAST
Go Fast Bits
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
$22.40
$20.16
GFB3855
Boost Controllers
FAST
Forced Induction
Forced Inductions
Go Fast Bits
Replacement Suits all electronic boost controllers.
GFB G-Force Solenoid Includes 2 Hosetails
$120.75
$108.68
GFB3835
Boost Controllers
FAST
Forced Induction
Forced Inductions
Go Fast Bits
Replacement for all boost controllers, also can be used for any aftermarket ECU's.
GFB D Boost V2 VNT Manual Boost Controller (for VNT/VGT Turbos)
$199.00
$179.10
GFB3009
Boost Controllers
FAST
Forced Induction
Forced Inductions
Go Fast Bits
Repeatable And Stable Boost Curve,100% Reliability, Zero Maintenance, Easy To Install In Minutes Easy To Adjust, Set-and-forget, Precision Needle Valve Bleed System, Manufactured In...
GFB G-FORCE III Electronic Boost Controller
$440.00
$396.00
GFB3005
Boost Controllers
FAST
Forced Induction
Forced Inductions
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 ATOMIC Manual Boost Controller
$95.00
$85.50
GFB3001
Boost Controllers
FAST
Forced Induction
Forced Inductions
Go Fast Bits
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...
GFB 13+ Subaru BRZ / 13+ Scion FR-S Lightweight Alternator Pulley
$65.00
$58.50
GFB2221
Drivetrain
Engine Components
FAST
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...
GFB 13 Subaru BRZ / 13 Scion FR-S 3 Pc L/W Pulley Kit (Inc Crank/Alternator/Water Pump Pulleys)
$365.00
$328.50
GFB2016
Drivetrain
Engine Components
FAST
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...
GFB 08+ WRX/STi / 09+ Forester / 03-09 LGT 3 pc Underdrive/Non-Underdrive Pulley Kit
$365.00
$328.50
GFB2014
Drivetrain
Engine Components
FAST
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...
GFB Evo 4-9 Under-Drive Crank Pulley w/ Belt
$270.00
$243.00
GFB2011
Drivetrain
Engine Components
FAST
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...
GFB 04-10 WRX/STI 3 Piece Under-Drive Pulley Kit w/ Belts (Crank Alternator & Power Steering)
$365.00
$328.50
GFB2010
Drivetrain
Engine Components
FAST
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...
FAST Throttle Body LSX 102MM W/TPS
$329.95
FST54103
Engine Components
FAST
Throttle Bodies
The Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness to eliminate...
FAST Throttle Body LSX 102MM
$224.95
FST54102
Engine Components
FAST
Throttle Bodies
The Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness to eliminate...
FAST Throttle Body LS 92MM
$539.95
FST54091
Engine Components
FAST
Throttle Bodies
Our Big Mouth 92mm Throttle Body for GM LS features a black wrinkle powder coating finish along with an improved throttle blade and pivot....
FAST Throttle Body LS 92MM
$445.95
FST54090
Engine Components
FAST
Throttle Bodies
Our Big Mouth 92mm Throttle Body for GM LS features a black wrinkle powder coating finish along with an improved throttle blade and pivot....
FAST LSX Manifold 92MM Inlet - Black
$1,163.95
FST54039B
Cold Air Intake Manifold System Kits
Engine Components
FAST
Intake Manifolds
Replacement parts available. See 54039BUS for the upper shell. See 54039BLS for lower shell. Billet fuel rails available under 54023. Compatible throttle bodies available...
FAST Replacement Intake Port Seals
$40.95
FST54009-8
Cold Air Intake Manifold System Kits
Engine Components
FAST
Gasket Kits
Intake Manifold Plenum
These gaskets are designed to provide a seal between the LSX 92mm intake manifold and LS1, LS2 and LS6 cylinder heads.
FAST InjectorFAST 8-Pack 89.7Lb/hr
$505.95
FST30857-8
FAST
Fuel Delivery
Fuel Injectors - Single
Fuel System
FAST Precision-Flow Fuel Injectors deliver the outstanding idle quality, unparalleled flow consistency and durability essential for high performance EFI engine applications. Engineered to yield...
FAST Sensor FAST Air Temperature
$18.95
FST307004
Data Acquisition
FAST
Ignition
Sensors
Air Temperature Sensor used in EZ Fuel and EZ Fuel + Ignition Throttle Bodies
FAST XR Ignition Coil Set for 2006+ Chrysler 5.7/6.1/6.2/6.4L HEMI - Set of 8
$495.95
FST30389-8
Engine and Performance
FAST
Ignition
Ignition Coils
Stock Replacement Ignition
XR Series of Coils provide 15% more spark energyIncreased PerformanceIdeal for street & racing application where powerful ignition output is neededThis Part Fits: Year...
FAST Multiport Retro-Fit EZ-EFI Kit
$883.95
FST302000-06
Electronics and Wiring
FAST
Programmers & Chips
Programmers & Tuners
The next generation of the world's simplest self tuning fuel injection system is here. Designed for all applications making up to 650 horsepower, the...
FAST Injector Harness 5.7/6.1 Hemi
$144.95
FST301208
FAST
Fuel Components Misc
Fuel Delivery
Fuel System
FAST XFI Fuel Injector Harnesses connect the XFI ECU to the fuel injectors. These harnesses are designed to aC-Commodate most common V8 engines from...
FAST Wiring Harness Main Dodge 5.7
$477.95
FST301104
Engine Components
FAST
Wiring Harnesses
FAST offers several main harness options to aC-Commodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors...
FAST 99-02 Chevrolet Camaro Z28/Z28SS 5.7L FireWire Spark Plug Wire Set
$67.95
FST255-2419
FAST
Ignition
Spark Plug Wire Sets
Having a high powered ignition control is only half the equation when it comes to your engine's performance, you also need to ensure that...
FAST Tailpipe Mount 02 Sensor Test
$94.95
FST170620
Data Acquisition
FAST
Ignition
Sensors
Made of stainless steel and convenient for quick oxygen sensor tests, this easy-to-use FAST kit slides into the tail pipe to prevent welding. The...
FAST LSXRt Manifold 102MM - Black
$1,208.95
FST146602B
Cold Air Intake Manifold System Kits
Engine Components
FAST
Intake Manifolds
The FAST LSX 102mm Intake Manifold for GM 4.8, 5.3 and 6.0 truck engines provides bolt-on performance gains without any loss in bottom-end drivability.This...
FAST Intake Manifold LSXHR LS1/2/6 (Cathedral Port)
$1,163.86
FST146303
Cold Air Intake Manifold System Kits
Engine Components
FAST
Intake Manifolds
The FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ships...
FAST LSXR Manifold 102MM GenIII LS - Black
$1,152.95
FST146302B
Cold Air Intake Manifold System Kits
Engine Components
FAST
Intake Manifolds
Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR...
FAST Repl. Intake Port Seal LSXR L
$40.95
FST146203-8
Cold Air Intake Manifold System Kits
Engine Components
FAST
Gasket Kits
Intake Manifold Plenum
These gaskets are designed to provide a seal between the LSXR 102mm intake manifold and LS1, LS6 and LS7 cylinder heads.
FAST LSX Manifold 103MM GenIII LS Rect Port - Black
$1,261.95
FST146106
Cold Air Intake Manifold System Kits
Engine Components
FAST
Intake Manifolds
FAST has developed the industry’s first polymer tunnel ram-style intake manifold, ideal for generating maximum power in boosted and naturally aspirated engines. Available for...
FAST LSXRt Manifold LS3 102MM High HP Runner - Black
$1,239.95
FST146105B
Cold Air Intake Manifold System Kits
Engine Components
FAST
Intake Manifolds
Cadillac: Escalade 07 - 16 6.2 L Engine, Cadillac: Escalade ESV 07 - 16 6.2 L Engine, Cadillac: Escalade EXT 07 - 13 6.2...
FAST LSXR Manifold 102MM Rect Port - Black
$1,152.95
FST146102B
Cold Air Intake Manifold System Kits
Engine Components
FAST
Intake Manifolds
Constructed from the same advanced polymer material as the original FAST LSX 92mm Intake Manifold, but now in the popular black color, the LSXR...
FAST Billet Fuel Rail Kit For LSXR
$270.95
FST146032B-KIT
FAST
Fuel Delivery
Fuel Rails
Fuel System
FAST LSX/LSXR/LSXRT Fuel Rails feature a larger internal diameter that dampens the pulses and provides increased fuel volume, ensuring that your injectors never run...