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Holley 122-48 Carburetor Standard Main Jet

Standard Main Jet, 1/4-32 Thread, .048" Jet size;Fits All Holley Model 2010, 2300, 4010, 4011, 4150, 4160 & 4500; Sizes from 40-110; 1/4-32 Thread; .048" Jet size; Standard Main Jet; Jet Hole sizes provided for reference only . All Holley jets are sized by actual flow and may vary from sizes above.;