5-44 NF High Speed Steel Taper Tap Product Type_Abrasive Rolls & Strips All Holley Main Jets are

All Holley Main Jets are flow tested and then stamped with the correct number

6 4A 1983-1985 (Front)

918CR12256

Perfect for building or replacing your custom exhaust system

5-44 NF High Speed Steel Taper Tap Product Type_Abrasive Rolls & Strips All Holley Main Jets areFor producing precision threads by hand tapping, for starting threads either second or bottoming taps should used after to achieve desire thread depth. General purpose use Suitable for materials up to 1000N mm2 Through & blind holes Suitable for both hand and machine operations Threads per inch 44 Overall length 48mm Cutting length 15mm Drill diameter 2. 65mm