Standard Main Jet #64 HO122-64 Wheel Accessories Phantom Series Blower Pressure Gauge

Phantom Series Blower Pressure Gauge 5802 AU5802 2-5/8"

Pro-Comp Series Fuel Pressure Gauge 5412 AU5412 2-5/8"

Regulators

This wire and hose overwrap withstands up to 410F / 210C and splashes of 660F / 350C

Standard Main Jet #64 HO122-64 Wheel Accessories Phantom Series Blower Pressure GaugeStandard Main Jet #641 4 32" Thread, . 064" Hole Size (Pair) HO122 64 122 64 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.