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Holley Jet Size Conversion

Holley Standard Main Jets

Jet No.Drill SizeJet No.Drill Size
40.04071.076
41.04172.079
42.04273.079
43.04374.081
44.04475.082
45.04576.084
47.04777.086
48.04878.089
49.04879.091
50.04980.093
51.05081.093
52.05282.093
53.05283.094
54.05384.099
55.05485.100
56.05586.101
57.05687.103
58.05788.104
59.05889.104
60.06090.104
61.06091.105
62.06192.105
63.06293.105
64.06494.108
65.06595.118
66.06696.118
67.06897.125
68.06998.125
69.07099.125
70.073100.128
Updated on 09/25/2021

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