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Perfect for "blow-through" carburettor engines up to 1200 HP
Dual plane design for equal distribution and great mid-range torque without comprimising top-end power
naturally aspirated or forced induction
AF9501-2000
0-200 psi PHANTOM 2-5/8" OIL PRESSURE Includes 10 ft
Standard Main Jet #74 HO122-74 Product:1/4-32" Thread, .0800" Hole Size (Pair) Perfect for "blow-through" carburettor enginesStandard Main Jet #741 4 32" Thread, . 0800" Hole Size (Pair) HO122 74 122 74 These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres 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.