Holley 135-6 Secondary Vacuum Diaphragm For Tri Power Vette Or Six Pac Mopar. These new diaphragm will fit model 2300 Holley 2 barrel out board carbs with center hung float bowls. List # 3659, 4175, 4365, 4382, 4383, 4393, 4394, 4671, 4672, 4789, 4790, 6405, 6406.
