Holley Needle & Seat - "Steel" Needle and Seat (Adjustable w/ .150" Seat) Non-Resistor Spark Plug 1/4 -inch DOM steel tubing

1/4 -inch DOM steel tubing

1973-1976 Dodge Dart

The helmet can be used with or without ear cups

Black Thermal Coat

but a good gasket can do it with less clamping force

Holley Needle & Seat - "Steel" Needle and Seat (Adjustable w/ .150" Seat) Non-Resistor Spark Plug 1/4 -inch DOM steel tubingSteel tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives. 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. "Adjustable" needle and seat designs allow external float adjustment, without removing the fuel bowl. The "non adjustable"