Description
Part Number: 0-80804HBX
Holley Ultra XP 850 CFM 4-Barrel Carburetor (Hard Core Gray)
Engineered for elite drag racing, track applications, and high-horsepower engines, the Holley Ultra XP 850 CFM carburetor delivers precision fuel metering with extreme weight savings.
Key Product Features
- ☑ All-aluminum construction saves up to 4.5 lbs (38% weight reduction over traditional cast carburetors).
- ☑ Durable Hard Core Gray hard-coat anodized finish with black billet aluminum metering blocks and base plate.
- ☑ High-capacity fuel bowls provide 20% greater fuel volume to eliminate fuel starvation under hard acceleration.
- ☑ Integrated idle bypass valve allows precise idle adjustment without drilling holes in throttle plates.
- ☑ Contoured venturi inlets balance and smooth airflow entry into the standard 4150 square-bore flange.
- ☑ Dual clear sight windows on fuel bowls enable quick and safe fuel level monitoring.
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number | 0-80804HBX |
| CFM Rating | 850 CFM |
| Flange Style | 4150 Square Bore |
| Barrel Quantity | 4-Barrel |
| Secondary Type | Mechanical Secondaries |
| Choke Type | None (Race Application) |
| Finish / Color | Hard Core Gray Anodized / Black Billet |
| Material | Lightweight Billet & Cast Aluminum |
What’s Included in the Box
- 1x Holley Ultra XP 850 CFM Race Carburetor (PN 0-80804HBX)
- Base Flange Mounting Gasket Set
- Fuel Bowl Fitting Seals & Mounting Hardware
Holley race carburetors set the performance standard across global motorsport. When you order from JP Racing, you receive 100% genuine Holley components backed by specialized technical support and fast UK delivery.




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