Holley Carb rebuild kit. fits all 600-750 4160 Model Vacuum Secondary Carburetors and the new Street Avenger Series. This kit uses factory Holley parts as well as upgraded items such as:
Standard are high-flow .110” needle and seats.
Nylon reusable needle and seat gaskets.
Nylon reusable bowl screw gaskets.
New brass idle mixture screws.
New needle and seat nuts and screws
New accelerator pump squirter check valves.
Special no-leak fuel inlet gaskets.
Only the highest quality components made.
Trick gasketed vacuum secondary diaphragms.
This trick vacuum secondary diaphragm has a new special material that retains its original shape for real ease of installation. If you’ve ever installed a secondary diaphragm you understand it usually takes three hands to do it right. Not now! Comes standard in AED #4160 kits.