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"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.
Holley Inlet Needle Steel - 6-519-2
$67.79
Features:
- Compatable with alcohol, benzine or acetone additives.
- Adjustable
- Steel Inlet Needle
- Operation Is Simple
Product Specifications:
- Product Details: Inlet Needle Steel Seat Size 0.150", Adjustable
- Grade Type: Performance
- Needle Material: Steel
- Part Type: Carburetor Needle and Seat
- Product Type: Needle And Seat Assembly