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HOLLEY 650 CFM CLASSIC HP carburettor

Original price was: £1,602.79.Current price is: £1,522.66. Inc. VAT

SKU: HOL0-80541-2 Categories: , , Brand:

Description

Part Number: 0-80541-2

Holley 4150 Classic HP 650 CFM Race Carburetor

Engineered for track performance, the Holley Classic HP 650 CFM 4-barrel carburetor delivers optimized race calibration, contoured venturi inlets, and mechanical secondaries in a durable gold dichromate finish.

Key Features & Performance Benefits

  • Optimized Race Calibration: Pre-calibrated out of the box for high-rpm motorsport and crate engine competition.
  • 650 CFM Airflow Rating: Ideal 4-barrel airflow sizing for medium displacement race engines and track applications.
  • Contoured Venturi Entry: Smooth inlet design enhances airflow efficiency for increased horsepower and throttle response.
  • Gold Dichromate Finish: Classic protective plating provides maximum resistance against fuel corrosion and environmental wear.
  • Tunable Screw-In Air Bleeds: Precise air bleed adjustment options allow custom tuning for specific track conditions.
  • Double Pumper Mechanical Secondaries: Dual accelerator pumps supply instantaneous fuel delivery upon aggressive throttle input.

Technical Specifications

Brand Holley
MPN 0-80541-2
CFM Rating 650 CFM
Carburetor Model 4150 Classic HP
Number of Barrels 4-Barrel
Flange Pattern Square Bore (4150)
Secondary Type Mechanical (Double Pumper)
Finish Gold Dichromate Plated
Choke None (Race Only)
Primary Nozzle Size 0.028 in.
Secondary Nozzle Size 0.029 in.

What’s Included in the Box

  • 1 x Holley Classic HP 650 CFM 4-Barrel Carburetor (PN 0-80541-2)
  • Carburetor Base Flange Gasket
  • Base Mounting Hardware Kit

Built upon decades of championship victory, Holley race carburetors set the standard in motorsport fuel delivery. Order your Holley 0-80541-2 Classic HP 650 CFM carburetor from JP Racing today to benefit from expert technical advice, high-performance race inventory, and fast UK delivery.

Frequently Asked Questions

No, the Holley 0-80541-2 is a dedicated Classic HP race carburetor designed without a choke tower or choke valve to maximize unrestricted intake airflow across all four barrels.

The 0-80541-2 features a standard 4150 square-bore flange pattern for 4-barrel intake manifolds. It utilizes dual-feed fuel bowls requiring standard 7/8"-20 thread fuel line fittings or dual-feed fuel rail assemblies.

While it can be used on high-performance street engines, the 0-80541-2 features race-calibrated fuel curves, mechanical secondaries (Double Pumper), and no choke, making it primarily optimized for track, drag, and circuit racing applications.

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