Holley 0-4777S 4150 Series 650 CFM Double Pumper Carburetor

The Holley 0-4777S Performance Carburetor is a Model 4150, four-barrel carburetor designed for performance applications. It features a 650 CFM airflow rating and a square-bore design for consistent fuel and air delivery.

This carburetor uses a manual choke and mechanical secondary operation. Its dual-inlet configuration supports fuel delivery through two inlets, while the aluminum construction helps provide a lightweight design.

The carburetor features a tumble-polished aluminum finish and is supplied as an individual unit. The Holley 0-4777S combines Double Pumper configuration with 4150 Series design for applications requiring mechanical secondary operation.

Features:

• Brand: HOLLEY
• Part Number: 0-4777S
• Series: Model 4150
• Carburetor Type: Double Pumper
• Airflow Rating: 650 CFM
• Configuration: Four-barrel, square bore
• Choke Type: Manual
• Secondary Operation: Mechanical
• Fuel Inlet: Dual inlet
• Material: Aluminum
• Finish: Tumble polished
• Quantity: Each