Additional Images

Holley EFI EFI Mono Blade Throttle Body 112-591

Fuel Injection Throttle Body


EFI Mono Blade Throttle Body; 105mm; Dual O-Ring; 3.5 in. Square Bolt Pattern;

Please Call for Availability


  • Lightweight Billet Design
  • Adjustable Idle And Wot Stops
  • O-Ring Grooved For A 100 Percent Air Tight Seal
  • Index-Able Throttle Lever For A Variety Of Installations
  • No Contact Magnetic TPS Sensor Pro Stock/Arca Technology
Holleys NEW EFI Throttle Bodies are unquestionably the BIGGEST BORE - MOST FEATURE LOADED units available on the market today. Holley went back to the drawing board and built the ultimate air valves for your hotrods power plant. The New 105mm Mono-Blade throttle body is designed with a 4 in. V-band flange, or Dual O-Ring, perfect for the most radical turbocharged combinations. These throttle bodies are feature packed, showcasing roller bearing throttle shafts, non-contact magnetic TPS sensors, and index-able throttle leavers. Making these the ultimate throttle bodies for ease of installation and tuning. Regardless of whether you have a turbo, supercharger, or a big cam engine pumping massive gulps of air, Holleys throttle bodies are maximized for your application.


Material:Billet Aluminum
Throttle Bore:105mm
WARNING CA Proposition 65:No


  • 112-591
  • 112-591
  • Holley EFI
  • New

Shipping Information

  • Item Requires Shipping
  • 2.2 lbs.
  • W6.5000” x H4.5000” x L10.0000”


Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.