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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Runner size = 41mm inside diameter
It is common for people to remove this check valve and screw an adaptor fitting straight in the outlet
Billet aluminum construction for durability and good looks
Suit 0-1850 & 0-80457 With Non Adjustable Needle & Seat
Burst Pressure: 300PSI
Holley Standard Main Jet #78 (HO122-78) Ignition Coils & Mounts Runner size = 41mm insideHO122 78 HOLLEY MAIN JETS, 2 PACK (78) 1 4 32" Thread, . 0870" Hole Size (Pair) Part Number: HO122 78 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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