Description

These metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters per minute and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All holley main jets are flow tested and then stamped with the correct number

Features
  • Improved jet extension design that actually screws into the metering block
  • The installation effectively moves the fuel entry point for the main jet out into the fuel bowl
Specification
  • Compatibility: holley performance carburetors
  • Hole size - 0.25 in.
  • Thread size - 0.25 in. - 32
  • Jet extension style - Screw-in
  • Material - Brass
  • Quantity - Set of 2
    Specifications
    ColorAs Shown

    HOLLEY 1225000 Carburetor Metering Jet Extension - 0.25 in.
     by 

    Holley

    Write a Review
    This item is unavailable right now.Telling you that an item is out of stock is basically the last thing we wanted to do. We're sorry.Sad Face