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Secondary Metering Block Conversion Kit - Shiny Aluminum

4160 to 4150 Conversion Kit for 0-3310SA and 0-80508SA

PART# 34-13SA

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Easily convert your 0-3310SA or 0-80508SA 750 CFM carburetor to a model 4150 by adding a secondary metering block. The addition of a secondary metering block will allow you to fine tune your carburetor by utilizing replaceable main jets versus the fixed orifices found in a metering plate.


  • No Provision For Power Valve
  • Alows The Use of Metering Jets
  • Includes Gaskets, Jets and Longer Fuel Bowl Screws


Emission Code5
Product Type4160 to 4150 Conversion Kit
WarrantyLimited 90 Day
Part Number34-13SA



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.

Tech Resources

The addition of a secondary metering block with lengthen the center-to-center distance of the fuel inlets from 8.80" to 9.50". Therefore, a new fuel line may be needed. Holley offers various fuel line kits such as 34-150 chrome fuel line.

Warranty Information

Limited 90 Day: See Details
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        Some parts are not legal for use in California or other states with similar regulations.