Why you need the Holley 650 CFM Classic HP Carburetor

Holley HP™ carburetors have been the standard in racing carburetors for nearly two decades. Powering the biggest names in NASCAR to the Saturday night racer, HP carburetors are the perfect choice for all types of motorsports.

The Holley 650 CFM Classic HP Carburetor features a contoured venturii inlet for balanced air flow, screw in air bleeds for precision tuning capabilities, high flow metering blocks and Dominator style fuel bowls which allow pluming from either side for ease of installation.

Holley HP Carburetors are the standard for square bore race Carburetors. Race-Ready out of the box!

Features:

• Gold Dichromate finish for corrosion resistance
• Optimized race calibration
• Contoured venturri inlet offers balanced airflow for increased horsepower
• Screw in air bleeds for precision tuning capabilities
• Dual 30cc accelerator pumps for additional fuel under initial acceleration
• Dual feed fuel inlets for constant high volume fuel delivery
• 4 corner idle allows you to precisely control your idle system
• Progressive Secondaries for perfect off the line launches
• Stainless steel throttle plates
• Includes notched float and jet extensions
• Calibrated for gasoline
• 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Specifications:

• Barrels: 4
• Booster: Straight
• Brand: Holley
• CFM: 650
• Choke: None
• Circuit: 2
• Emission Code: 3
• Finish: Gold Dichromate
• Fuel: Gasoline
• Fuel Inlet: Dual
• Material: Zinc
• Model: 4150HP
• Product Type: Carburetor
• Secondaries: Mechanical
• Supercharged Application: No
• Throttle Bore: 1.688 inch
• Venturii Size: 1.250 inch