HOLLEY part description

Product Description

Aluminum Double Pumper Carburetor

Application Summary

Use same applications as Holley PN 0-4777SA. Intended for lightweight vehicles w/manual trans or automatics with high stall/low gearing

Features & Benefits

  • Shiny Finish For Corrosion Resistance
  • Supports small-block V8s in street or mild race use
  • Optimized Street/Strip Calibration That Works Out Of The Box
  • Mechanical secondaries deliver airflow as soon as the throttle opens
  • Electric Choke For Precise Cold Start Control
  • Dual accelerator pumps prevent hesitation under load
  • Mechanical Secondaries For Awesome Tire Turning Performance
  • Lightweight aluminum body reduces front-end weight
  • Dual Accelerator Pumps For Add. Fuel Under Initial Acceleration
  • Electric choke aids in cold-weather starts and smoother warm-up
  • Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
  • Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
  • 100% Wet-Flow Tested To Assure It Arrives Ready To Run

Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle

Holley CFM Aluminum Double Pumper Carburetor 

Looking to wake up your street car or weekend bracket racer? The Holley CFM Aluminum Double Pumper Carburetor delivers crisp throttle response and controllable fuel delivery. This model pairs well with small to mid-displacement V8s and includes mechanical secondaries for a direct link between your right foot and full airflow. Get the Holley 04777SAE now.

Product Attributes

Barrel Four
Booster Type Straight
Carburetor Type 4150
CFM 650
Choke Electric
Emission Without EGR
Finish Shiny
Flange Square Bore
Fuel Inlet Dual
Fuel Type Gasoline
Material Aluminum
Primary Main Jet 67
Primary Power Valve 6.5
Secondary Main Jet 73
Secondary Pump Nozzle Size 28
Secondary Type Mechanical
Supercharged Application No
Throttle Bore 1.688 in.
Type Automotive
Usage Street/Hi-Performance
Vacuum Port Quantity 1 timed (spark); 1 full; 1 PCV

Additional Information

Country of Origin (Primary) US
Harmonized Tariff Code (Schedule B) 8409915085
Harmonized Tariff Code (HTS) 8409915085
NAFTA Preference Criterion Code B
Remanufactured Part N
UPC 00090127005774
Holley® has been the undisputed leader in fuel systems, powering nearly every NHRA Pro-Stock champion and Monster Energy NASCAR Cup team with its expansive line of carburetors for over 40 years. Today, its EFI products and products for GM's popular LS engine are what dominate the performance world and the LS scene respectively. But aside from carburetors, Holley is also widely recognized for its intake manifolds, performance fuel pumps, and engine dress-up products. And to better serve its customers, it partnered with numerous other companies, such as MSD, a company developing electronics for the entire powertrain, and Powerteq, the world leader in performance tuning in the automotive market.

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