Steel-tipped inlet needles are necessary when using exotic racing fuels. A .097 inch seat size should be used for small four barrel carburetors; a .110 inch seat size should be used for carburetors up to 735 CFM; larger seat sizes should be used with carburetors 750 CFM and larger.
The following steel inlet needle and seat assemblies are available from Holley.
Features and Benefits:
Compatable with alcohol, benzine or acetone additives
