Holley Standard Main Jet #61 HO122-61 Product:1/4-32" Thread, .060" Hole Size (Pair) Part Number: AR254-1901

Part Number: AR254-1901

Description: Uni-Syn is a precision instrument which provides a visual method of balancing multiple carburettor set-ups with a high degree of accuracy

Auto gage Three-Gauge Chrome Console2-1/16"

Part Number: AU8150

Holley Standard Main Jet #61 HO122-61 Product:1/4-32" Thread, .060" Hole Size (Pair) Part Number: AR254-1901Standard Main Jet #611 4 32" Thread, . 060" Hole Size (Pair) Brand: HOLLEY Part Number: HO122 61 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.