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4150 ALUM ULTRA XP 950 CFM
950 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline
Features:
- Aluminum Construction (saves 4.5 lbs - 38% weight savings)
- Shiny with black anodized billet aluminum metering blocks and base plate
- Designed for use on Drag race, circle track, or any high horsepower engines
- Contoured venturri inlet offers balanced airflow for increased horsepower
- Air bleeds moved outward to allow a smoother transition of airflow from the top of the carburetor into the venturii
- Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
- Integrated idle bypass valve eliminates the need for holes in throttle plates and allows for proper adjustment of idle while maintaining correct throttle plate to transfer slot relationship.
- Helps maintain good idle control when using radical camshafts.
- Dual 30cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
- Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
- Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
- Built in drain plug in front center of bowl provides easy access to empty contents of bowl
- 8AN (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
- 4 corner idle allows you to precisely control your idle system
- Mechanical Secondaries for perfect off the line launches
- Elongated (dual pattern) mounting holes allow fitment on intakes with square flange (Holley 4150™ style) or large flange (Holley Dominator® style)
- Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
- Primary throttle shaft capped to prevent entry of debris & contaminates
- Throttle shaft is slabbed and undercut for improved airflow
- Factory machined accessory mounting hole for easy addition of adjustable primary throttle stop. New secondary pump cam lever designed to provide positive throttle stop on secondary side
- Stainless steel adjustable secondary link. Provides choice of 1:1 or progressivesecondary throttle actuation for ultimate control of secondary opening rate
- Baseplate designed with a boss that can be consumer machined for vacuum source
- Includes notched float and jet extensions
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
About Holley
Holley Performance Brands is the undisputed leader in carburetors, fuel pumps, fuel injection, intake manifolds, fuel injection, and fuel systems.
| Barrel Quantity | 4 |
|---|---|
| Barrels | 4 |
| Billet Color | Shiny with Black Billet |
| Body Color | Polished |
| Body Finish | Polished |
| Booster | Downleg |
| Booster Design | Downleg |
| Brand | Holley |
| Carburetor Material | Aluminum |
| Carburetor Use | Professional Race |
| CFM | 950 |
| Choke | None |
| Circuit | 2 |
| Condition | New |
| Cubic Feet Per Minute Rating | 950 |
| Emission Code | 3 |
| Finish | Shiny |
| Flange Type | Square/4150 |
| Fuel | Gasoline |
| Fuel Inlet | Dual |
| Grade Type | Performance |
| Linkage Attached | Yes |
| Marine Approved | No |
| Marine Use | No |
| Material | Aluminum |
| Model | 4150 |
| Mounting Hole Quantity | 4 |
| Primary Jet Diameter | 92 |
| Primary Main Jet | 92 |
| Primary Power Valve | 4.5 |
| Primary Pump Nozzle Size | 32 |
| Product Type | Carburetor |
| Sale Category | Carburetors and Components |
| Secondaries | Mechanical |
| Secondary Main Jet | 92 |
| Secondary Pump Nozzle Size | 32 |
| Spacer Included | No |
| Supercharged Application | No |
| Throttle Bore | 1.750 inch |
| Venturii Size | 1.600 inch |
| Warranty | Limited 90 Day |
| UPC | 090127713495 |
| Part Number | 0-80805BKX |
This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) 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
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
SHIPPING: Most shipments via UPS ground or USPS priority service. 3-Day Select, 2nd Day Air, and Next Day Air are also available at an additional charge. Customer pays all freight charges. All Shipping on Large Items such as, Complete A/C kits, Front End Components, Serpentine kits, etc. will be subject to Standard UPS Ground Daily Rates unless specified otherwise. Handling Fees are non-refundable. International customers are responsible for ALL duties/taxes on international shipments.
RETURNS: All returns must have an RGA (Return Goods Authorization) number on the outside of the box and be returned within 30 days or they will be refused. Call (864) 848-0601 to obtain an RGA number. All returns are subject to a 15% restocking fee—resalable items only. NO RETURNS AT ANY SHOWS—NO EXCEPTION! If you paint it, mount it, install it—you bought it. Check your order upon receipt, shortages will not be honored after 7 days. Returns must have freight pre-paid. COD returns will be refused. NO RETURN ON SPECIAL ORDERS OR ELECTRICAL ITEMS. (Keyless entry, wiper motor, etc) Are not refundable unless defective.
Please visit our Company Policies page for more information or feel free to contact us with any questions!
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