Holley Standard Main Jet #56 HO122-56 Radiator Hoses & Adapters Part Number: AF9002-175

Part Number: AF9002-175

Part Number: AF733-12

To back up the incredible ratchet mechanism inside this Nitro shifter

Part Number: AF6011-1000

Operating pressure range is 0 to 10 bar (150 psi)

Holley Standard Main Jet #56 HO122-56 Radiator Hoses & Adapters Part Number: AF9002-175Standard Main Jet #561 4 32" Thread, . 055" Hole Size (Pair) Brand: HOLLEY Part Number: HO122 56 Description: 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.