Holley Performance Ultra Double Pumper 4 Barrel Carburetor - 0-80812HBX

Holley Performance Carburetor

Carburetor; Ultra XP; 4 Barrel; 650 Cubic Feet Per Minute (CFM); Calibrated For Circle Track; Square Bore Flange; Mechanical Secondaries; Gasoline; Hard Core Gray Aluminum With Black Anodized Billet Aluminum Metering Blocks And Base Plate

MPN: 080812HBX

Features

• Aluminum Construction. Anti-Siphon Valve In Main Body To Reduce Pump Pullover
• Contoured Venturri Inlet Offers Balanced Airflow For Increased Horsepower. 100 Percent Wet-Flow Tested By Holley Technicians To Assure It Arrives Ready To Run
• Metering Blocks Feature Improved Durability, True Gasket Sealing And Fully Adjustable
• Clear Sight Windows On Both Sides Of Bowls For Easy And Safe Fuel Level Adjustments. Integrated Idle Bypass Valve Eliminates The Need For Holes In Throttle Plates
• 4 Corner Idle Allows You To Precisely Control Your Idle System Internal Pump Passage In Metering Block Equipped With A Tunable Bleed Off For Further Tuning Of Accelerator Pump
• Primary Throttle Shaft Capped To Prevent Entry Of Debris And Contaminates. Calibrated Specifically For Use On Circle Track
• Knurled (Hand Adjustable) Primary And Secondary Curb Idle Screws Allow For Easy Idle Adjustment Without The Use Of Tools
• PTFE Coated Throttle Shafts Rides In Oil Impregnated Bronze Bushings For Smooth Throttle Actuation
• Fuel Bowls Provide 20 Percent More Fuel Capacity While Controlling Slosh With Internal Baffling
• Limited 90 Day Warranty