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HOLLEY 850CFM ULTRA XP carburettor

Original price was: £2,036.51.Current price is: £1,934.69. Inc. VAT

SKU: HOL0-80804HBX Categories: , , Brand:

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.

Frequently Asked Questions

The Holley Ultra XP 0-80804HBX features an all-aluminum construction that reduces total weight by 38% (approx. 4.5 lbs) compared to traditional cast zinc carburetors. It features 20% increased fuel bowl capacity, billet aluminum metering blocks, an integrated idle bypass valve, and optimized contoured venturi entries for maximum airflow efficiency on high-horsepower engines.

No. The Holley Ultra XP series (PN 0-80804HBX) is designed strictly for high-performance and competitive motorsport applications and does not come equipped with a choke tower or choke mechanism, ensuring unobstructed airflow through the main body.

This carburetor mounts directly to any standard 4150 square-bore intake manifold flange. For optimal engine response and fuel atomization, ensure your intake manifold plenum matches 4150 carb pad dimensions. JP Racing provides fast delivery across the UK for all Holley accessories and mounting hardware.

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