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FAST 304151 EZ-EFI 2.0-Style, Cast 4150-Throttle Body Kit
FAST 304151 EZ-EFI 2.0-Style, Cast 4150-Throttle Body Kit

FAST 304151 EZ-EFI 2.0-Style, Cast 4150-Throttle Body Kit

Universal Fit, Throttle Body Injection (TBI) Throttle Body Style, 1150 CFM CFM, Powder Coated

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FAST 304151 EZ-EFI 2.0-Style, Cast 4150-Throttle Body Kit
FAST 304151 EZ-EFI 2.0-Style, Cast 4150-Throttle Body Kit
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We estimate this item will ship on or before December 24th.
Part # 282304151
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 3 business days for FAST Fuel Air Spark Technology to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.


Throttle Body Style:
Throttle Body Injection (TBI)
Throttle Body Barrels:
1150 CFM
Throttle Body Flange Type:
4-Barrel Square Bore
Throttle Body Material:
Cast Aluminum
Throttle Body Finish:
Powder Coated
TPS Sensor Included:
IAC Motor Included:
Injectors Included:
Gaskets Included:
Hardware Included:
Sold in Quantity:
MFG. Part #:
GTIN Code:


Included adaptor allows XFI 2.0 to run EZ-EFI 2.0 Throttle Body w/ integrated sensors / injectors; Easy & aesthetically pleasing

The EZ-EFI 2.0 Fuel Injection System from FAST revolutionized not only the fuel injection market, but fuel injection system looks as well. This EZ-EFI 2.0 TBI-Style Throttle Body allows any XFI 2.0-equipped application with a 4150-style carb flange manifold to achieve the looks of EZ-EFI while maintaining XFI power and versatility. The package includes the new EZ-EFI 2.0 throttle body, plus the connector & harness needed to hook up it to an EFI system. It is good for systems making up to 1,200 horsepower and flowing 1,150 CFM. It comes completely assembled with the harness installed. The customer only needs to wire up the mating end of the connector utilizing the included diagram. The FAST EZ-EFI 2.0 TBI-Style Throttle Body For XFI Applications includes eight 74 lb./hr. high-impedance injectors, along with TPS, IAC, IAT and one-bar MAP sensors. Users will have everything they need to make lots of horsepower and look good while doing so.

  • Offers the style & ease of the EZ-EFI 2.0 throttle body for use with the power & tunability of XFI
  • Integrated wiring harness included w/ mating connector & features a diagram for easy, professional installation w/ an EFI systems harness
  • Includes 8 74 lb./hr. fuel injectors, TPS, IAC, IAT, & 1-bar MAP sensors; -6AN fuel fittings are included, but -8AN fittings can also be used if desired
Some parts are not legal for use in California or other states with similar laws/regulations

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