Holley 4150 squarebore VACUUM SECONDARY rebuild kit [HK357]

Holley 4150 squarebore VACUUM SECONDARY rebuild kit [HK357]

As used in:

600 650 700 750 800 850 CFM squarebore Holley 4150 carburettors with double accelerator pumps,
vacuum operated secondary throttle, primary and secondary metering blocks & externally adjusted needle and seats.

Carb Numbers: 3310-1, 3795, 4118, 4653

This kit does not include a secondary diaphragm.  If you need one, purchase the HSD197 diaphragm separately