Easily convert your 0-1850SA or 0-80457SA 600 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:
  • Allows Use Of Main Jets
  • Complete With Longer Bowl Screws, Gaskets, And Transfer Tube
  • Easily convert your 0-1850SA or 0-80457SA 600 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:
  • Allows Use Of Main Jets
  • Complete With Longer Bowl Screws, Gaskets, And Transfer Tube