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
• Factory Preset Electric Choke For Easy Startups
• Mechanical Secondaries For Awesome Tire Turning Performance
• 4 Corner Idle Allows You To Precisely Control Your Idle System
• Misc. Pump Nozzle
• 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

Attributes:

• GTIN: 00090127028971
• Brand Name: Holley
• Fuel Type: Gasoline
• Marine Engine Size: Universal
• Material: Aluminum
• Primary Main Jet: 74
• Primary Power Valve: 6.5
• Secondary Main Jet: 84
• Secondary Pump Nozzle Size: 31
• Secondary Type: Mechanical
• Supercharged Application: No
• Throttle Bore: 1.688 in.
• Type: 4150
• Usage: Marine
• 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
• Barrel: Four
• Billet Color: Black
• Booster Type: Down Leg
• Carburetor Type: 4150
• CFM: 750
• Choke: Electric
• Emission: Without EGR
• Finish: Hard Core Gray
• Flange: Square Bore
• Fuel Inlet: Dual

Extended Information:

• Country of Origin: United States
• Emissions : Electronically Announced
• Life Cycle Status: Available To Order

Packing Information:

• Quantity of Each:
• Package UOM:
• Dimension: 11.5000 x 11.2000 x 7.9000 inches
• Weight: 9.9600 lb

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