Description
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.
Resources
Installation Instructions
Specifications:
| Barrel | Four |
| Billet Color | Blue |
| Booster Type | Down Leg |
| Carburetor Type | 4150 |
| CFM | 850 |
| Choke | Electric |
| Description_ASC | Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle |
| Description_ASM | Electric Choke Mechanical Secondaries |
| Description_DEF | Carburetor |
| Description_DES | Ultra Double Pumper® Carburetor |
| Description_EXT | Ultra Double Pumper® Carburetor; 4 bbl; 850 cfm; Model 4150; Mech. Secondary; Electric Choke; Gasoline; Dual Fuel Inlet; Shiny Blue Metering Block/Base Plate w/Gold Hardware; |
| Description_FAB | 100% Wet Flow Tested By Holley Technicians |
| Description_FAB | 4 Corner Idle Allows You To Precisely Control Your Idle System |
| Description_FAB | Aluminum Construction For A 43% Weight Savings |
| Description_FAB | Arrives Ready To Run |
| Description_FAB | Clear Fuel Level Sight Glass No Mess Fuel Level Adjustments |
| Description_FAB | Factory Preset Electric Choke For Easy Startups |
| Description_FAB | Lightweight Vehicles w/Auto Trans w/High Stall/Low Gearing |
| Description_FAB | Mechanical Secondaries For Awesome Tire Turning Performance |
| Description_FAB | Metering Blocks Base Plate For Good Looks True Gasket Sealing |
| Description_FAB | Optimized Street/Strip Calibration That Works Out Of The Box |
| Description_INV | 850 ULTRA DOUBLE PUMPER W/BLUE BILLET |
| Description_LAB | Proposition 65 |
| Description_MKT | 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. |
| Description_MKT | ULTRA light Aluminum construction for 43% weight savings ULTRA shiny Tumble polished finish holds shine longer ULTRA strong Billet metering blocks & base plates ULTRA cool Blue anodized billet aluminum metering blocks and base plate ULTRA easy Built in sight window for simple float adjustments ULTRA fast High-performance fuel curves Holley Double Pumper 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. The Ultra Double Pumper(TM); Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061-T6 billet aluminum. 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; dual accelerator pumps for additional fuel under initial acceleration; 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 pre-set electric choke for easy, fast cold start-ups. The clean, polished look coupled with Blue metering blocks and throttle body will certainly set your ride apart whether you are at the show or track. |
| Description_SHO | Carburetor |
| Emission | Without EGR |
| finish | Shiny |
| Flange | Square Bore |
| Fuel Inlet | Dual |
| Fuel Type | Gasoline |
| height | 7.9 |
| length | 12.5 |
| 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 |
| weight | 7.95 |
| width | 11.2 |
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