Holley Inlet Needle & Seat Steel Seat size .120"
“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.
- Steel Inlet Needle
- compatable with alcohol or when using benzine or acetone additives.