Primary metering block for all 2300, 4150, 4160 models except carburetors with an accelerator pump transfer tube or reverse idle mixture system. Uses standard fuel bowl and metering block gaskets. Timed spark or ported vacuum tube in original location. Improved throttle response over stock universal performance carburetor metering block. Black anodized finish. Product Note: The current version of this metering block does not have brass emulsions in the vertical channel. The holes are threaded and preset to 0.028". To change the emulsion size, please drill out the 0.028" preset, and then screw in the appropriate brass emulsion to tune. The brass screw-in's are as follows: PVR: 0.055", IFR: 0.033".

Features:
Standard Replacement for 2300, 4150 and 4160 Models
  • Made from High-Quality Billet Aluminum
  • Black Anodized Finish
  • Accepts Standard Fuel Bowl and Metering Block Gaskets
  • PROFORM Parts Brand Product
  • Sold Individually

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