Click on image to zoom

Holley EFI Throttle Body Injection 112-578

Fuel Injection Throttle Body


Throttle Body Injection; Fits w/4500 Dominator; 2000 cfm; Billet Aluminum;

Please Call for Availability


  • Progressive Linkage System
  • CNC Billet Construction
  • More Precise Throttle Control
  • Better Drivability
  • Maximum Airflow And Minimizes Air Turbulence
  • Offset Shafts So Engine Vacuum Assists Throttle Plate Closure
If you are thinking of building either a high performance or race multi-point fuel Injection system for your engine, look no further than Holley for the throttle body. Holley offers a line of universal throttle bodies that range in sizes from 1000 CFM to 2000 CFM and are available with standard square bore or DOMINATOR flanges. These billet beauties will provide all the air your motor can ingest. Sporting premium design features that enhance their ruggedness and durability, Holley performance throttle bodies are built to take the most severe usage. They will look great as well -- sitting on top of your street rod or street/strip engine. They have the looks to go with the brawn!


Throttle Bore:2.250 in.
WARNING CA Proposition 65:No


  • 112-578
  • 112-578
  • Holley EFI
  • New

Shipping Information

  • Item Requires Shipping
  • 7.5 lbs.
  • W10.5000” x H3.7500” x L11.2500”

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.