
Holley 6-504 Needle and Seat Assembly
Holley designed this 6-504 Needle and Seat to properly control fuel flow into the float bowl. This adjustable assembly comes with a Viton tip needle, compatible for use with Gasoline.
Replacing the Needle and Seat assembly as part of regular maintenance is critical to keep your carburetor at its peak potential on the street and dragstrip!
Holley 6-504 Needle and Seat Assembly Features:
- Recommended Carburetor Size: up to 735 CFM
- Seat Size: 0.110 in.
- Needle Tip Material: Viton
- Adjustable: Yes
- Body Material: Brass
- Gaskets Included: Yes
- Quantity: Sold individually
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality!
Original: $29.11
-65%$29.11
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Holley 6-504 Needle and Seat Assembly
Holley designed this 6-504 Needle and Seat to properly control fuel flow into the float bowl. This adjustable assembly comes with a Viton tip needle, compatible for use with Gasoline.
Replacing the Needle and Seat assembly as part of regular maintenance is critical to keep your carburetor at its peak potential on the street and dragstrip!
Holley 6-504 Needle and Seat Assembly Features:
- Recommended Carburetor Size: up to 735 CFM
- Seat Size: 0.110 in.
- Needle Tip Material: Viton
- Adjustable: Yes
- Body Material: Brass
- Gaskets Included: Yes
- Quantity: Sold individually
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality!
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Description
Holley designed this 6-504 Needle and Seat to properly control fuel flow into the float bowl. This adjustable assembly comes with a Viton tip needle, compatible for use with Gasoline.
Replacing the Needle and Seat assembly as part of regular maintenance is critical to keep your carburetor at its peak potential on the street and dragstrip!
Holley 6-504 Needle and Seat Assembly Features:
- Recommended Carburetor Size: up to 735 CFM
- Seat Size: 0.110 in.
- Needle Tip Material: Viton
- Adjustable: Yes
- Body Material: Brass
- Gaskets Included: Yes
- Quantity: Sold individually
Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality!











