Standard Main Jet #53 HO122-53 Product:1/4-32" Thread, .052" Hole Size (Pair) 90 Intake Valve8mm Single Groove

90 Intake Valve8mm Single Groove

Launch Control Button AssemblyGreen Button

Male AN Taper Swivel Straight Hose End -6AN to -6ANBlack Finish

AF158-05BLK

AR400-8331

Standard Main Jet #53 HO122-53 Product:1/4-32" Thread, .052" Hole Size (Pair) 90 Intake Valve8mm Single GrooveStandard 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.