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.

Click on Catalog Product Page for complete listing of jets and sizes.

Features:
  • Standard Main Jet
  • .052" Jet size
  • Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500
  • Sizes from 40-110
  • 1/4-32 Thread
  • Jet Hole sizes provided for reference only . All Holley jets are sized by actual flow and may vary from sizes above.
  • More From This Category

    Quick Fuel Standard Main Jet, Gas, #62, .062 in., Pair

    Quick Fuel Standard Main Jet, Gas, #62, .062 in., Pair

    $14.06

    View
    Scott Drake Classic Exhaust Manifold Stud, 1968-1970 For Ford Mustang, 428 Cj, Kit

    Scott Drake Classic Exhaust Manifold Stud, 1968-1970 For Ford Mustang, 428 Cj, Kit

    $82.15

    View
    Scott Drake Classic Thermostat Housing Gasket, Thermostat Housing Gasket, 170, 200, 260, 289, 302, 351W, 1964-1973 For Ford Mustang, Each

    Scott Drake Classic Thermostat Housing Gasket, Thermostat Housing Gasket, 170, 200, 260, 289, 302, 351W, 1964-1973 For Ford Mustang, Each

    $4.91

    View
    Scott Drake Classic Wiper Bezel Tool, Removal, For Ford, Each

    Scott Drake Classic Wiper Bezel Tool, Removal, For Ford, Each

    $30.44

    View
    Classic Instruments Gauge Set, The Classic Truck for 1957-60 Ford Truck White Hot,

    Classic Instruments Gauge Set, The Classic Truck for 1957-60 Ford Truck White Hot,

    $2,321.78

    View
    Fender Gripper Front End Cover, 1965-70 Mustang, Cobra Snake Logo, Each

    Fender Gripper Front End Cover, 1965-70 Mustang, Cobra Snake Logo, Each

    $302.72

    View