Product Details
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 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 manual 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.
Features:
- Shiny with blue anodized billet aluminum metering blocks/base plate for good looks and true gasket sealing
- Ultra Double Pumpers feature an Optimized street/strip calibration that works out-of-the-box
- Manual choke (Cable driven, hand operated) for precise cold start control
- Mechanical secondaries for awesome tire turning performance
- 4 corner idle allows you to precisely control your idle system
- Built in, clear fuel level sight glass for easy, no mess fuel level adjustments
- Aluminum construction for a 43% weight savings
- Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
- Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Specification
| Barrels | 4 |
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| Billet Color | Blue |
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| Booster | Straight |
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| Brand | Holley |
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| CFM | 650 |
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| Choke | Manual |
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| Condition | New |
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| Emission Code | 3 |
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| Finish | Shiny |
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| Fuel | Gasoline |
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| Fuel Inlet | Dual |
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| Marine Use | No |
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| Material | Aluminum |
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| Model | 4150 |
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| Primary Main Jet | 63 |
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| Primary Power Valve | 6.5 |
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| Primary Pump Nozzle Size | 28 |
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| Product Type | 4150 Model Carburetor |
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| Secondaries | Mechanical |
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| Secondary Main Jet | 73 |
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| Secondary Pump Nozzle Size | 31 |
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| Supercharged Application | No |
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| Throttle Bore | 1.688 inch |
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| Vacuum Ports | 1 timed (spark) port, 2 full, and 1 PCV port |
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| Warranty | Limited 90 Day |
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| Part Number | 0-76651BL |
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Delivery & Returns
Billy's Speed Shop ensures the highest standard of service. Therefore we use only most reliable delivery services in the UK what allows us to provide you quick and efficient delivery of your products.
We aim to stock all of the products in our warehouse. However the situation may occur that we currently do not have particular item in stock then we will order it directly from UK supplier. If delivery time will exceed 3 days we will inform you via email or telephone.
Our Delivery Options are as follows:
Parcels up to 2kg and up to £50 of value are being sent via Royal Mail - 1st or 2nd class.
Parcels up to 2kg and £50 - £100 of value are being sent via Royal Mail - 1st or 2nd class - Tracked.
Parcels over 2kg and over £100 of value are being sent via Courier - DPD Tracked.
Bulk or Heavy purchases that weigh over 20 kg are sent on a pallet - Pallex.
