Description
Part Number: 0-80803BKX
Holley 750 CFM Ultra XP 4-Barrel Race Carburetor
The ultimate square-bore motorsport carburetor, engineered with lightweight aluminum construction, black anodized billet metering blocks, and mechanical secondaries for maximum competition performance.
Key Features & Performance Advantages
- ☑ Lightweight All-Aluminum Construction: Delivers up to 38% weight savings (4.5 lbs lighter) compared to traditional zinc carburetors.
- ☑ High-Capacity Fuel Bowls: Features 20% greater fuel capacity with internal baffling and fuel shelf to eliminate aeration and fuel slosh.
- ☑ Integrated Idle Bypass Valve: Allows precise idle speed adjustments on radical engines without changing throttle plate to transfer slot position.
- ☑ Billet Aluminum Metering Blocks & Base Plate: Black anodized billet components feature fully adjustable emulsion bleeds, power valve channel restrictors, and idle feed restrictors.
- ☑ Clear Fuel Sight Windows: Dual-sided sight windows allow safe, instantaneous fuel level checks and adjustments.
- ☑ Dual Plumbing Flexibility: -8AN O-ring inlet threads with included -8AN to -6AN male adapters enable flexible fuel line routing from either side.
Technical Specifications
| Brand | Holley |
|---|---|
| Manufacturer Part Number | 0-80803BKX |
| CFM Rating | 750 CFM |
| Carburetor Flange | Model 4150 (Dual mounting pattern for 4150 / 4500 manifolds) |
| Secondary Type | Mechanical Secondary |
| Fuel Type | Gasoline |
| Finish | Tumble Polished Main Body / Black Anodized Billet Blocks & Base Plate |
| Discharge Nozzle Size | 0.031″ (Primary & Secondary) |
| Fuel Inlet Threads | -8AN O-Ring (includes -8AN to -6AN male adapters) |
What’s Included in the Box
- 1x Holley 750 CFM Ultra XP Race Carburetor (PN 0-80803BKX)
- 2x -8AN O-Ring to -6AN Male Fuel Bowl Adapters
- 1x -8AN Fuel Bowl Plug
- Base Flange Gasket and Mounting Hardware Kit
Engineered for drag racing, circle track, and high-horsepower competition, Holley’s Ultra XP series represents the benchmark in square-bore carburetor design. When you order your Holley performance components from JP Racing, you benefit from expert UK technical assistance and rapid domestic despatch.
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