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Ships within 48 hours · Estimated delivery Oct 16 - Oct 21
Fully plumbed and wired custom flat head engine
The exceptional flow characteristics and 23° valve angle make this the perfect head for 350 to 434 cid engines in drag cars
"Compact charge" combustion chamber design
2017 Mazda 3 2
Standard Main Jet #53 HO122-53 Product:1/4-32" Thread, .052" Hole Size (Pair) Fully plumbed and wired customStandard 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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