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Holley 134-300SA Aluminum HP Main Body Retro-Fit Kit-750 CFM

Part # 134-300SA Be the first to write a review

HP Main Body 750 Kit Converts 0-4779C, 0-4779S, 0-4779SA, 0-76751 Double Pumpers to the 750 CFM HP Series Main Body

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Holley 134-300SA Aluminum HP Main Body Retro-Fit Kit-750 CFM

Estimated Ship Date: 07/24/2026
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Want to upgrade your street carburetor to a high-performance race carb, but don't have the means to do a complete carb swap? If you can turn a screwdriver, you can get increased horsepower from the new Holley Aluminum HP carburetor main bodies. These aluminum HP main body retrofit kits convert your existing carburetor to an aluminum HP main body for increased horsepower, torque, and airflow. With no air horn, choke tower, or choke control to restrict airflow, they deliver extra power easily and affordably. These aluminum main bodies are available in a shiny finish and come complete with all the parts necessary to take your carburetor to the next level!

This retrofit main body kit converts the following applicable carburetors:

650 CFM - 0-4777
700 CFM - 0-4778
750 CFM - 0-4779, 0-76751

Features:

  • Main bodies are factory assembled and kit includes new gaskets to complete the conversion
  • New main jets are included, however further tuning may be necessary depending on the application
  • Simple installation with common hand tools
  • Pre-calibrated at the factory for optimum performance and drivability on a wide variety of applications
  • Reduces turbulence and smooths air entry into the venturi
  • Eliminates choke tower and associated hardware of standard Holley Double Pumper®
  • Eligible For Holley contingency programs
Brand Holley
Emission Code5
Product TypeMain Body Retro Fit Kits
WarrantyManufacturer's Limited 90 Day
UPC090127741252
Manufacturer Part Number134-300SA
Part Number134-300SA
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions for Part# 134-300SA
Manufacturer's Limited 90 Day: See Details

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