HOLLEY STANDARD MAIN JETS. All Holley Main jets are flow tested and then stamped with the correct number. FITS ALL HOLLEY MODEL 2010,2300,4010,4011,4150,4160 &4500. STANDARD MAIN JETS.
HOLLEY CARBURETOR STANDARD MAIN JETS HLY122-66 PAIR .066" JET HOLE SIZE AED RACE
HOLLEY CARBURETOR STANDARD MAIN JETS HLY#122-69 PAIR .0693" JET HOLE SIZE RACE
HOLLEY CARBURETOR STANDARD MAIN JETS HLY#122-75 PAIR .082" JET HOLE SIZE RACE
HOLLEY CARBURETOR STANDARD MAIN JETS HLY122-64 PAIR .064" JET HOLE SIZE AED RACE
HOLLEY CARBURETOR STANDARD MAIN JETS HLY#122-71 PAIR .075" JET HOLE SIZE RACE
HOLLEY CARBURETOR STANDARD MAIN JETS HLY#122-74 PAIR .080" JET HOLE SIZE RACE
