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or when dual pumps are used and both pumps may not run simultaneously
Tailor Accelerator Pump Performance Each Cam Is Different Shape/Profile Gives Different Results
2017 Mazda 3 2
"Compact charge" combustion chamber design
Fully plumbed and wired custom flat head engine
Standard Main Jet #53 HO122-53 Product:1/4-32" Thread, .052" Hole Size (Pair) or when dual pumps areStandard Main Jet #531 4 32" Thread, . 052" Hole Size (Pair) HO122 53 122 53 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.
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