Holley Needle and Seat Assemblies 6-504 Carburetor Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float Style, Gaskets Included, Each
Holley Needle and Seat Assemblies 6-504 Carburetor Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float Style, Gaskets Included, Each
Description
Needle and Seat - Adjustable - 0.110 Orifice - Viton - Holley Carburetors - Each
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:17:34
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Holley, Hilborn, Holley Efi, Retrobright, Terminator X |
| StreetFX SKU | hly6-504 |
| SFX Item ID | 4784591 |
| Accounting SKU | hly-6-504 |
| Manufacturer SKU | 6-504 |
| Manufacturer UPC | 090127075029 |
| Alternative References | 6-504, HLY-6-504, HOL6-504 |
Carburetor Needle and Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float Style, Gaskets Included, Each
Holley needle and seat assemblies can be used as replacements or performance upgrades. Available in different sizes, they're also available in different materials to suit a wide range of applications. Viton® needles are for all gasoline applications, steel needles are used with alcohol or exotic race fuels, and titanium needles are used for their responsiveness during changes in flow rates, as well as for their excellent sealing capabilities. Any way you look at it, you're sure to find the right one for your application.
| Product Attributes | |
|---|---|
| Brand | Holley |
| Manufacturer's Part Number | 6-504 |
| Part Type | Carburetor Needle and Seats |
| Product Line | Holley Needle and Seat Assemblies |
| UPC | 090127075029 |
| Fuel Bowl Float Style | Center hung |
| Seat Size | 0.110 in. |
| Needle Material | Viton® |
| Spring-Loaded | No |
| Adjustable | Yes |
| Quantity | Sold individually. |
Compatibility
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