Holley Main Jets 56 #122-56 Product Type_Taper Adaptors Note: Not designed for high

Note: Not designed for high rpm applications

Part Type: Mufflers

––Primary application:

ideal for tight spots

Regulator Inlet Size: 3/8" NPT

Holley Main Jets 56 #122-56 Product Type_Taper Adaptors Note: Not designed for highThese metering orifices control fuel flow into the metering system. They are rated in flow capacity cubic centimeters 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. Standard Main Jet . 056" Jet size 1 4 32 Thread Sizes from 40 110 Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500