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.

Features:
  • No Provision For Power Valve
  • Alows The Use of Metering Jets
  • Includes Gaskets, Jets and Longer Fuel Bowl Screws
  • More From This Category

    Holley 4160-4150 Conv Kit - Polished Aluminum

    Holley 4160-4150 Conv Kit - Polished Aluminum

    $147.78