Holley 650 CFM Double Pumper Carburetor (0-4777SAE)
Holley·Fuel SystemsFBR PICK

650 CFM Double Pumper Carburetor (0-4777SAE)

$649.95at Summit RacingFBR rating 4.7

A mechanical secondary four-barrel with dual accelerator pumps, sized for naturally aspirated small blocks running a performance cam and headers. Manual choke, 4150 flange.

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Why we picked it

Solid choice for a street-driven small-block Ford build where reliability and simplicity matter. Parts and tuning knowledge are everywhere, which keeps it easy to live with.

Pros

  • +Widely supported tuning parts
  • +Strong throttle response
  • +Rebuildable

Cons

  • Manual choke needs driver input
  • Requires jetting for your combo

Specifications

Airflow
650 CFM
Flange
Square bore 4150
Secondaries
Mechanical
Choke
Manual
Fuel Inlet
Dual, 8AN adaptable
Performance level
Street/Strip

Applications

Vehicles

  • 1964-1973 Mustang
  • 1967-1981 Camaro
  • Universal V8

Engines

  • Small Block Ford 302
  • Small Block Ford 351W
  • Small Block Chevy 350

Always confirm fitment with the manufacturer or retailer before purchasing.

Goes with it

Compatible & related

Consider instead

Alternatives