Metering Jets
122-70

HOLLEY STANDARD MAIN JETS

Holley main jets are threaded for ease of installation and replacement. All sizes are for reference use only. Actual control of sizes is by flow check. In all instances, a higher stamped number indicates a greater average flow rate. Do not drill or damage the jet metering orifice. Change jet for your exact requirements.

Description Size Part No
HOLLEY MAIN JET DRILL SIZE .049 HO122-50
HOLLEY MAIN JET DRILL SIZE .050 HO122-51
HOLLEY MAIN JET DRILL SIZE .052 HO122-52
HOLLEY MAIN JET DRILL SIZE .052 HO122-53
HOLLEY MAIN JET DRILL SIZE .053 HO122-54
HOLLEY MAIN JET DRILL SIZE .054 HO122-55
HOLLEY MAIN JET DRILL SIZE .055 HO122-56
HOLLEY MAIN JET DRILL SIZE .056 HO122-57
HOLLEY MAIN JET DRILL SIZE .057 HO122-58
HOLLEY MAIN JET DRILL SIZE .058 HO122-59
HOLLEY MAIN JET DRILL SIZE .060 HO122-60
HOLLEY MAIN JET DRILL SIZE .060 HO122-61
HOLLEY MAIN JET DRILL SIZE .061 HO122-62
HOLLEY MAIN JET DRILL SIZE .062 HO122-63
HOLLEY MAIN JET DRILL SIZE .064 HO122-64
HOLLEY MAIN JET DRILL SIZE .065 HO122-65
HOLLEY MAIN JET DRILL SIZE .066 HO122-66
HOLLEY MAIN JET DRILL SIZE .068 HO122-67
HOLLEY MAIN JET DRILL SIZE .069 HO122-68
HOLLEY MAIN JET DRILL SIZE .070 HO122-69
HOLLEY MAIN JET DRILL SIZE .073 HO122-70
HOLLEY MAIN JET DRILL SIZE .076 HO122-71
HOLLEY MAIN JET DRILL SIZE 079 HO122-72
HOLLEY MAIN JET DRILL SIZE .079 HO122-73
HOLLEY MAIN JET DRILL SIZE .081 HO122-74
HOLLEY MAIN JET DRILL SIZE .082 HO122-75
HOLLEY MAIN JET DRILL SIZE .084 HO122-76
HOLLEY MAIN JET DRILL SIZE .086 HO122-77
HOLLEY MAIN JET DRILL SIZE .089 HO122-78
HOLLEY MAIN JET DRILL SIZE .091 HO122-79
HOLLEY MAIN JET DRILL SIZE .093 HO122-80
HOLLEY MAIN JET DRILL SIZE .093 HO122-81
HOLLEY MAIN JET DRILL SIZE .093 HO122-82
HOLLEY MAIN JET DRILL SIZE .094 HO122-83
HOLLEY MAIN JET DRILL SIZE .099 HO122-84
HOLLEY MAIN JET DRILL SIZE .100 HO122-85
HOLLEY MAIN JET DRILL SIZE .101 HO122-86
HOLLEY MAIN JET DRILL SIZE .103 HO122-87
HOLLEY MAIN JET DRILL SIZE .104 HO122-88
HOLLEY MAIN JET DRILL SIZE .104 HO122-89
HOLLEY MAIN JET DRILL SIZE .104 HO122-90
HOLLEY MAIN JET DRILL SIZE .105 HO122-91
HOLLEY MAIN JET DRILL SIZE .105 HO122-92
HOLLEY MAIN JET DRILL SIZE .105 HO122-93
HOLLEY MAIN JET DRILL SIZE .108 HO122-94
HOLLEY MAIN JET DRILL SIZE .118 HO122-95
HOLLEY MAIN JET DRILL SIZE . .118 HO122-96
HOLLEY MAIN JET DRILL SIZE .125 HO122-97
HOLLEY MAIN JET DRILL SIZE .125 HO122-98
HOLLEY MAIN JET DRILL SIZE .125 HO122-99
HOLLEY MAIN JET DRILL SIZE .128 HO122-100