This gasket is used for various functions depending on the carburetor type.
Some uses are:
Needle & Seat Gasket
Metering Jet Gasket
Pump Washer Gasket
Pump Discharge Nozzle Washer
Pump Discharge Jet Washer
Fits on the following carburetors:
Carter BB carburetors
Ford/Motorcraft 4100 carburetors
Ford/Motorcraft 2100, 2150 carburetors
Ford/Motorcraft 4100 carburetors
Hitachi carburetors (Pump Discharge Nozzle Washer)
Holley 3160, 4150, 4152, 4160 carburetors (Pump Discharge Jet Washer)
Holley 4165, 4175 carburetors (Pump Discharge Jet Washer)
Holley 4180, 4190 carburetors (Pump Discharge Jet Washer)
Holley AA-1, 853, 2100, 2110 carburetors (Pump Discharge Jet Washer)
Rochester B, BC, BV carburetors (Needle & Seat washer)
Rochester 2G (Twojet) carburetors (Needle & Seat washer)
Specifications:
Quantity: 5 gaskets
Gasket OD" .400"
Gasket ID" .250"
Gasket Thickness: .031"
Gasket Material: Fiber