"Steel-tipped" inlet needles are necessary when using exotic racing fuels. A .097" seat size should be used for small four barrel carburetors; a .110" 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:
  • Compatable with alcohol, benzine or acetone additives.
  • Adjustable
  • Steel Inlet Needle
  • Operation Is Simple
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