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F.A.S.T.
For over 10 years, FAST has been recognized as the leading developer of advanced electronic fuel injection technology. Our engineers have ignited new sparks never before seen in the EFI performance aftermarket year after year. FAST continues to drive the aftermarket industry through constant new product development. And with a complete line of superior, easy-to-use EFI systems, intake manifolds, throttle bodies and other EFI components FAST is committed to bringing the best fuel injection experience to both racers and street enthusiasts everywhere. Shop F.A.S.T. products at Butler LS

F.A.S.T. Categories

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Dual Sync / Hyperspark (EFI Ready)
Dual Sync Sensors generate two signals, one for crank and one for cam. Using this setup allows for individual timing control when using ignition boxes. These distributors have what is called a...More Details »
EFI Components
EFI Systems & Components
Ready to update your carbureted system to an electronic fuel injection system? Butler Performance has been installing and testing many systems from FAST, Edelbrock, Holley, and more for a long...More Details »
Fuel Regulators
SELF TUNING EFI -  EZ-EFI (2.0)
EZ-EFI 2.0 • Carb-replacement system supports stock-to-1200 HP engines • Advanced color touchscreen hand-held doubles as sensor dash • Setup Wizard guides you through start-up...More Details »
SELF TUNING EFI - EZ-EFI (1.0)
EZ-EFI 1.0 Carb-replacement system supports stock-to-650 HP engines Setup Wizard guides you through start-up & tunes itself as you drive...More Details »
TUNABLE EFI - XFI Sportsman • XFI 2.0
XFI 2.0 Delivers Ultimate Control & Adjustability Sequential or Bank-to-Bank EFI • Trans-Brake Creep Control • Boost Control • Progressive Wet/Dry Nitrous Control; Up To 4...More Details »
Items 1-8 of 8

F.A.S.T. Products

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Items 1-24 of 24
Description: Replacement Oxygen Sensor, LHA-Type (XFI), 5 Wire, 10:1 to 16:1 Air/Fuel Reading
Item #: FAS-301422
Condition: New
Free Ground Shipping
Price: $304.95

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Description: Wideband O2 Sensor (Bosch) for EZ-EFI and FAST O2 Meter
Item #: FAS-170408
Condition: New
Price: $117.95

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Description: Sensor, Air Temperature, ECU, 3/8 in. NPT
Item #: FAS-307004
Condition: New
Price: $18.95
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Description: Fuel Pressure Regulator Kit (2) -6 AN O-Ring Inlet (1) -6 AN O-Ring Outlet Adjustable From 30-70 PSI Black Anodized
Item #: FAS-307030
Condition: New
Price: $155.95

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Description: Includes dash mounted Touchscreen Tunes itself as you drive Built-in diagnostics & “limp home" mode Bosch wide-band o2 sensor EZ-EFI® Throttle Body with Holley-style throttle linkage & 4150...More Details »
Item #: FAS-30226-06KIT
Condition: New
Free Ground Shipping
Price: $1,143.95

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Description: Includes dash mounted Touchscreen Tunes itself as you drive Built-in diagnostics & “limp home" mode Bosch wide-band o2 sensor EZ-EFI® Throttle Body with Holley-style throttle linkage & 4150...More Details »
Item #: FAS-30227-06KIT
Condition: New
Free Ground Shipping
Price: $1,525.95

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Description: Includes dash mounted Touchscreen Tunes itself as you drive Built-in diagnostics & “limp home" mode Bosch wide-band o2 sensor EZ-EFI® Throttle Body with Holley-style throttle linkage & 4150...More Details »
Item #: FAS-30447-06KIT
Condition: New
Free Ground Shipping
Price: $1,556.95

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Description: Base Kit and Universal In-tank Fuel Kit Included (NO PUMP, This allows you to add any brand inline or in-tank pump to complete the kit) Includes dash mounted Touchscreen Tunes itself as you...More Details »
Item #: FAS-30227-06KIT-NP
Condition: New
Free Ground Shipping
Price: $1,525.95

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Description: Base Kit and In-Tank Fuel System Included (NO PUMP, This allows you to add any brand in-tank pump to complete the kit) Includes dash mounted hand held Tunes itself as you drive Built-in...More Details »
Item #: FAS-30447-06KIT-NP
Condition: New
Free Ground Shipping
Price: $1,556.95

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Description: The IAC (Idle Air Control) valve uses a small electric motor to vary engine idle rpm to exactly where you set it at in your ECU parameters.
Item #: FAS-307015
Condition: New
Price: $65.95

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Description: MAP Sensor, 1-Bar, GM Style, Universal
Item #: FAS-307007
Condition: New
Price: $52.95

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Description: MAP Sensor, 3-Bar, GM Style, Universal
Item #: FAS-307009
Condition: New
Price: $117.95

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Description: F.A.S.T. Pontiac Dual-Sync Billet Distributor / .500 Shaft Diameter (For Use w/ Fully Sequential EFI Systems)
Item #: FAS-305016
Condition: New
Free Ground Shipping
Price: $462.95

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Description: Sensor, Water Temperature, Brass, 3/8 in. NPT
Item #: FAS-307003
Condition: New
Price: $19.95
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Description: Compatible w/ XFI 2.0™ & XFI Sportsman™ Perfect for engine swaps in late model vehicles w/ electronic gauge clusters Displays up to 20 live data readings/sensors; Even all at once if desired,...More Details »
Item #: FAS-301517
Condition: New
Free Ground Shipping
Price: $492.95

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Description: FAST XFI "Sportsman" System Custom-Tunable EFI Fill the Gap Between EZ-EFI & XFI 2.0 ECU O2 Sensor Fuel Pressure Sensor Wiring Harness
Item #: FAS-303000
Condition: New
Free Ground Shipping
Price: $1,839.95

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Description: EZ-EFI 2.0 Self Tuning Engine Control System Multi-Port Type w/ O2 Sensor ECU & Harness (No Fuel System) *Requires High Impedance Injectors*
Item #: FAS-30404-KIT
Condition: New
Free Ground Shipping
Price: $1,513.95

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Description: EZ-EFI 2.0 Self Tuning Engine Control System Base Kit (No fuel System) No Experience, Dyno, or Laptop Required Most Advanced Self Tuning EFI Kit on the Market Easy to Setup Requires 8 inches of manifold vacuum
Item #: FAS-30400-KIT
Condition: New
Free Ground Shipping
Price: $2,799.95

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Description: In-Tank Fuel Pump Master Kit includes everything needed for a carb-to-EFI conversion including a 1200 HP-capable return or returnless capable fuel system. EZ-EFI 2.0 Self Tuning Engine Control...More Details »
Item #: FAS-30401-KIT
Condition: New
Free Ground Shipping
Price: $3,330.95

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Description: In-Tank Fuel Pump Kit includes everything needed for a carb-to-EFI conversion when combined with the pump of your choice. EZ-EFI 2.0 Self Tuning Engine Control System Base Kit (No fuel System)...More Details »
Item #: FAS-30401-KIT-NP
Condition: New
Free Ground Shipping
Price: $3,433.95

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Description: Inline Fuel Pump Master Kit includes everything needed for a carb-to-EFI conversion including a 650 HP-capable return-style fuel system w/ Walbro 255 LPH inline fuel pump. EZ-EFI 2.0 Self Tuning...More Details »
Item #: FAS-30402-KIT
Condition: New
Free Ground Shipping
Price: $3,043.95

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Description: Inline Fuel Pump Kit includes everything needed for a carb-to-EFI conversion when you add your own choice of in line fuel pump. EZ-EFI 2.0 Self Tuning Engine Control System No Experience, Dyno,...More Details »
Item #: FAS-30402-KIT-NP
Condition: New
Free Ground Shipping
Price: $3,043.95

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Description: In-Tank Fuel Pump Master Kit includes everything needed for a carb-to-EFI conversion including a 1200 HP-capable return or returnless capable fuel system. Includes Aeromotive Phantom 200 Stealth...More Details »
Item #: FAS-30401-KIT-AER-PUMP
Condition: New
Free Ground Shipping
Price: $3,433.95

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Description: Includes all necessary hardware to install and adjust, and includes a comprehensive selection of cable mounting brackets to cover all major cables, applications and brands including the Holley Sniper. Black Powdercoated
Item #: FAS-304147
Condition: New
Price: $78.95

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Items 1-24 of 24