Description
Description
Double Pumper Carburetor; Dichromate Finish; 4 bbl; 600 cfm; Model 4150; Mech. Secondary; Manual Choke; Gasoline; Dual Fuel Inlet; 1.563 in. Throttle Bore; Zinc;
The Ultra Double Pumper Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061T6 billet aluminum. Three different anodized color options (Red, Blue, or Black) allow for a personalized look while maintaining the ultra high strength and durability you get from billet. They weigh in at approximately 5 lbs less than a comparable zinc carburetor. The new Ultra 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; Ford automatic transmission kickdown for use on popular Ford transmissions; four vacuum ports for all necessary vacuum accessories; and for the first time on a Double Pumper, factory preset electric choke for easy, fast cold startups. The clean, polished look coupled with Red, Blue, or Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track. Dont trust your performance to just anyone, Holley is the only Modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60s. Manual Choke Mechanical Secondaries
Features & Benefits
- Gold Dichromate Finish For Corrosion Resistance w/Classic Look
- 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
- Dual Accelerator Pumps For Add Fuel Under Initial Acceleration
- Dual Feed Fuel Inlets For Constant High Volume Fuel Delivery
- Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing
- 100% Wet Flow Tested By Holley Technicians
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