Steel-tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives. 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:

• Adjustable Steel Inlet Needle Operation Is Simple

Details:

• Grade Type: Performance
• Needle Material: Steel
• Warranty: Manufacturer's Limited 90 Day Warranty