Holley 121-125: 121-125 Straight Nozzle Hole size .025"
Straight Nozzles *For 4150/4160/4500 carbs
Straight Nozzle Hole size .025'' Hollow nozzle screw NOT included
Straight Nozzles *For 4150/4160/4500 carbs
Straight Nozzle Hole size .025'' Hollow nozzle screw NOT included