Ultra Double Pumper® Carburetor

Holley Double Pumper(R) carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile.

• Metering Blocks Base Plate For Good Looks True Gasket Sealing
• Optimized Street/Strip Calibration That Works Out Of The Box
• Man. Choke Cable Hand Controlled For Cold Start Control
• Mechanical Secondaries For Awesome Tire Turning Performance
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments
• Aluminum Construction For A 43% Weight Savings
• Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
• 100% Wet Flow Tested By Holley Technicians
• Arrives Ready To Run

Additional Attributes:

• GTIN: 00090127718483
• Barrel: Four
• Billet Color: Blue
• Booster Type: Down Leg
• Carburetor Type: 4150
• CFM: 850
• Choke: Manual
• Emission: Without EGR
• Finish: Shiny
• Flange: Square Bore
• Fuel Inlet: Dual
• Fuel Type: Gasoline
• Material: Aluminum
• Primary Main Jet: 80
• Primary Power Valve: 6.5
• Secondary Main Jet: 80
• Secondary Pump Nozzle Size: 31
• Secondary Type: Mechanical
• Supercharged Application: No
• Throttle Bore: 1.750 in.
• Type: Automotive
• Usage: Street/Hi-Performance
• Vacuum Port Quantity: 1 timed (spark); 2 full; 1 PCV
• WARNING CA Proposition 65: Yes
• WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Packaging:

• Quantity of Each:
• Package UOM:
• Dimension: 11.0000 x 12.5000 x 7.3800 inches

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