Butler-LS » 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
Items 1-12 of 12
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits,...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits,...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits,...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
We are excited you have visited our brand new site. As you can see we are tirelessly building out our new site with performance parts, engines, and assemblies for your LS and GM needs. Check...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
Looking for an LS part and don't see it on the site? Need a rotating assembly, short block kit, or machine work? Our LS team here at Butler is shipping high performance GM/LS engines, kits, and...More Details »
Items 1-12 of 12
F.A.S.T. Products
Items 1-30 of 37
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Description: 4 Barrel Throttle Body
4150 Bolt Pattern
Billet
Anodized Red or Polished
INCLUDES TPS and IAC
Item #: FAS-
Condition:
New
Please Call for Availability
Description: Big Mouth Throttle Body
With or w/o TPS Sensor & Idle Air Control
102mm
Fits LSX & LSXR Intake Manifolds
Item #: FAS-
Condition:
New
Please Call for Availability
Description: Big Mouth Throttle Body
With or w/o TPS Sensor & Idle Air Control
92mm
Fits LSX & LSXR Intake Manifolds
Item #: FAS-
Condition:
New
Please Call for Availability
Description: Big Mouth LT Throttle Body
With or w/o TPS Sensor & Idle Air Control
92mm
Fits LSX & LSXR Intake Manifolds
Item #: FAS-
Condition:
New
Please Call for Availability
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
Please Call for Availability
Description: Self-Tuning Fuel Injection System
Master In-Line Pump Kit
Cast aluminum 4-Barrel Throttle Body
Wiring Harness
ECU
All Necessary Sensors
w/ Complete Fuel System
Item #: FAS-30402-Kit
Condition:
New
Please Call for Availability
Description: Self-Tuning Fuel Injection System
Master In-Tank Pump Kit
Cast aluminum 4-Barrel Throttle Body
Wiring Harness
ECU
All Necessary Sensors
w/ Complete Fuel System
Item #: FAS-30401-Kit
Condition:
New
Please Call for Availability
Description: Self-Tuning
for GM/LS Multi-port Engine Swap
w/ EZ-LS Ignition Controller
EZ-EFI 2.0 ECU
Touchscreen Hand-held w/ Mount
Wiring Harness
Oxygen Sensor
Item #: FAS-30405-KIT
Condition:
New
Please Call for Availability
Description: Self-Tuning Fuel Injection System
w/ Cast aluminum 4-barrel Throttle Body
Wiring Harness
ECU
All Necessary Sensors
**NO Fuel System**
Item #: FAS-30400-Kit
Condition:
New
Please Call for Availability
Description: Retro-Fit Fuel Systems
Inline Electric EFI Fuel Pump
550 HP Capable
Includes Fittings, Terminals, Wiring
Sold in Kit
Item #: FAS-307503-06
Condition:
New
Please Call for Availability
Description: Retro-Fit Fuel Systems
In-Tank Electric EFI Fuel Pump
650 HP Capable
Billet Fuel Filter
Sold in Kit
Item #: FAS-307503T-06
Condition:
New
Please Call for Availability
Description: EZ-LS Ignition Controller
w/ wiring Harness and adapters
Works with EZ 2.0, Sportsman, or the XFI injection systems
Item #: FAS-301312E
Condition:
New
Please Call for Availability
Description: Fuel Pump, 90 psi
Regulator, 30-70 psi Range
Fuel Filter
Fuel Line
Fittings
Clamps
Fuel Injection
Sold as complete kit
Item #: FAS-307502
Condition:
New
Please Call for Availability
Description: Intake Gaskets, LSXR Replacement, Buna Rubber, Chevy, LSXR Intake Manifold, Set
Item #: FAS-146203-8
Condition:
New
Please Call for Availability
Description: Intake Gaskets
LSXR & LSXRT LS3 Intake Seals
Buna Rubber
Set/8
Item #: FAS-146003-8
Condition:
New
Please Call for Availability
Description: Stainless steel bolts
92mm
Black
Cathedral Port Heads
50 state legal
Item #: FAS-54039B
Condition:
New
Please Call for Availability
Description:
LS2 type high impedance injectors
Highest flowing injectors available
Shorter than common LS1/LS6 injectors
Hassle free plug-in operation
Sold in Set/8
Item #: FAS-
Condition:
New
Please Call for Availability
Description:
LS3/7 type high impedance injectors
Highest flowing injectors available
Universal
Hassle free plug-in operation
Sold in Set/8
Item #: FAS-
Condition:
New
Please Call for Availability
Description: Advanced polymer material
103mm air inlet
Ships with the Tall velocity Stacks
Black
Improved heat dissipating
Item #: FAS-146106
Condition:
New
Please Call for Availability
Description: Advanced polymer material
102mm air inlet
Black
Lighter weight,
Improved heat dissipating
Item #: FAS-146302B
Condition:
New
Please Call for Availability
Description: Advanced polymer material
102mm air inlet
Black
Lighter weight,
Improved heat dissipating
Item #: FAS-146102B
Condition:
New
Please Call for Availability
Description: Advanced polymer material
102mm air inlet
Race Runners
Black
Lighter weight
Improved heat dissipating
Item #: FAS-146104B
Condition:
New
Please Call for Availability
Free Shipping
Description: Advanced polymer material
102mm air inlet
Black
Lighter weight,
Improved heat dissipating
Item #: FAS-146202B
Condition:
New
Please Call for Availability
Description: Advanced polymer material
102mm air inlet
Black
Lighter weight,
Improved heat dissipating
Cathedral Port Heads
Truck Style
Item #: FAS-146602B
Condition:
New
Please Call for Availability
Description: LT1-IAC Pigtail
IAC Adapter Harness
Early to Late GM
Sold Each
Item #: FAS-308023
Condition:
New
Please Call for Availability
Description: O2 Sensor Fitting and Plug Kit
Weld-On Bung with Plug
18mm x 1.5
Stainless Steel
Item #: FAS-307018
Condition:
New
Please Call for Availability
Description: Power Adder Wiring Harnesses
Works with the FAST XFI engine management system
Sold Each
Item #: FAS-301400
Condition:
New
Please Call for Availability
Description: Throttle Body Adapter Plate Kit for use with OEM throttle body on FAST LSX™ or LSXR™ Intakes.
Item #: FAS-146029-KIT
Condition:
New
Please Call for Availability
Description: For GM LT1 applications
Bolts to the throttle blade shaft
Relays throttle opening/closing information to the ECU
Made of high resistance material
Sensitive rotator for accurate throttle position measurement
Item #: FAS-307028
Condition:
New
Please Call for Availability
Description: In-Tank
Electric EFI
255 lph Free Flow Rate
Includes Fittings, Terminals, Wiring
Sold in Kit
Item #: FAS-307033
Condition:
New
Please Call for Availability
Items 1-30 of 37
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