Holley 650 CFM Ultra Double Pumper Carburetor - Hard Black
ULTRA light
Aluminum construction for 43% weight savings
ULTRA stealthy
Hard Core GrayT anodized finish
ULTRA strong
Billet metering blocks & base plates
ULTRA cool
Black anodized billet aluminum metering blocks and base plate
ULTRA easy
Built in sight window for simple float adjustments
ULTRA fast
High-performance fuel curves
The Ultra Double PumperT 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; 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, stealthy look coupled with Black metering blocks and throttle body will certainly set your ride apart whether you are at the show or track.
Features:
- Hard Core GrayT w/ black anodized billet aluminum metering blocks/base plate. Casting is hard coat anodized for ultimate corrosion resistance
- Ultra Double Pumpers feature an 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
- 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!
Specs
| Barrels | 4 |
|---|---|
| Billet Color | Black |
| Booster | Straight |
| Brand | Holley |
| CFM | 650 |
| Choke | Electric |
| Emission Code | 3 |
| Finish | Hard Core Gray |
| Fuel | Gasoline |
| Fuel Inlet | Dual |
| Material | Aluminum |
| Model | 4150 |
| Primary Main Jet | 63 |
| Primary Power Valve | 6.5 |
| Primary Pump Nozzle Size | 28 |
| Product Type | 4150 Model Carburetor |
| Secondaries | Mechanical |
| Secondary Main Jet | 73 |
| Secondary Pump Nozzle Size | 31 |
| Supercharged Application | No |
| Throttle Bore | 1.688 inch |
| Vacuum Ports | 1 timed (spark) port, 2 full, and 1 PCV port |
| Part Number | 0-76650HB |
Holley 650 CFM Ultra Double Pumper Carburetor - Hard Black
Sale price$857.95 USD