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The new Ultra Marine Double Pumper Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061a T6 billet aluminum. They weigh in at approximately 5 lbs. less than a comparable zinc carburetor. The new Ultra Marine Double Pumper Carburetors have an enhanced fuel curve for optimum performance, with many more features such as aluminum construction; anodized billet aluminum metering blocks and base plate; 4 corner idle for precise idle control; mechanical secondaries for great performance; clear fuel level sight plugs for easy, no mess fuel level adjustments; four vacuum ports for all necessary vacuum accessories; The new Ultra Double Pumpers are built to exceed the Coast Guard standards and are J1223 Marine Standard certified. So, if you are hitting the lake for an easy cruise or some high speed fun, these new performance carburetors will meet and exceed your performance demands!
Features:
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
Ultra Double Pumper (R) Carburetor | 4 bbl | 750 cfm | Model 4150 | Mech. Secondary | Electric Choke | Gasoline | Dual Fuel Inlet | Black Metering Block/Base Plate | Hard Core Gray Finish
Made in the USA!
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
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