Hi Flow EFI Throttle Body
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Holley Hi Flow EFI Throttle Body

Part No. 112-557 Warranty Details  

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Does your engine seem like it's out of breath? You can increase engine breathing with a Holley high-air-flow throttle body fully CNC machined from 6061 billet aluminum, these new Holley throttle bodies are designed to use the stock TPS and IAC to simplify installation. Some throttle bodies are even anodized clear, blue or red for good looks. They also include all the necessary vacuum ports and linkage to facilitate installation. Don't get left in the dust. New Holley high-flow throttle bodies are the ticket to ride.

Product Features:
  • Stops Wheezing Sound
  • CNC Billet Aluminum
  • Highly Polished
  • Includes All Vacuum Ports
  • Includes All Linkage
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by PowerReviews
HolleyHi Flow EFI Throttle Body

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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Holly like always is the best!!


from Florida

About Me Auto Enthusiast, Competitive Driver, Truck Enthusiast

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3 or more reviews submitted


  • Durable
  • Improves Engine Efficiency
  • Increases Power
  • Lightweight


  • Difficult To Install

Best Uses

  • Everyday Driving
  • Performance Driving
  • Racing

Comments about Holley Hi Flow EFI Throttle Body:

I modified the bracket to install the throttle body,(5.9 magnum v8) works great can hear it scream at wide open throttle with a cold air intake. Makes good top end horsepower. 10,000 miles on it already still clean looks like new!

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