Holley 121-128: 121-128 Straight Nozzle Hole size .028"
Straight Nozzles *For 4150/4160/4500 carbs
Straight Nozzle Hole size .028'' Hollow nozzle screw NOT included
Straight Nozzles *For 4150/4160/4500 carbs
Straight Nozzle Hole size .028'' Hollow nozzle screw NOT included