SKU: 96538818524

950CFM Ultra XP Carburetor - 0-80805HBX

Sale price$652.48 Regular price$724.98
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

950CFM Ultra XP Carburetor - 0-80805HBXOverview: Xtreme Performance Holley Ultra XP carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs, have fuel capacity that is 20% greater and 30 other new features! They're available in our all new Hard Core Gray hard coat anodized finish with Black billet for improved corrosion protection. They're also available in natural tumble polished aluminum with your choice of Black or Red metering blocks and base plate. The

Overview:

Xtreme Performance - Holley Ultra XP™ carburetors! Ultra XP carbs are up to 38% lighter than our traditional race carbs, have fuel capacity that is 20% greater and 30 other new features! They're available in our all-new Hard Core Gray™ hard coat anodized finish with Black™ billet for improved corrosion protection. They're also available in natural tumble-polished aluminum with your choice of Black™ or Red™ metering blocks and base plate. The Aluminum Ultra XP comes in 600, 650, 750, 850, and True 950-CFM. Holley Ultra XP carburetors offer new features such as an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship, high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh. Other features include all aluminum construction, fully tunable billet metering blocks, billet base plate, adjustable secondary linkage and knurled (hand adjustable) curb idle screws. Holley Ultra XP carburetors are the ultimate in square bore race carburetors!
 

Features:

  • Aluminum Construction (saves 4.5 lbs - 38% weight savings)
  • Hard Core Gray with black anodized billet aluminum metering block and booster inserts
  • 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!

 

Application:

Year Make Model Submodel Engine Size
Universal

 

Specs:

Barrels 4
Billet Color Hard Core Gray with Black
Booster Down Leg
Brand Holley
Carburetor Use Professional Race
CFM 950
Choke None
Circuit 2
Condition New
Emission Code 3
Finish Hard Core Gray
Fuel Gasoline
Fuel Inlet Dual
Marine Use No
Material Aluminum
Model 4150
Primary Main Jet 92
Primary Power Valve 4.5
Primary Pump Nozzle Size 32
Product Type Ultra XP Carburetor
Secondaries Mechanical
Secondary Main Jet 92
Secondary Power Valve 4.5
Secondary Pump Nozzle Size 32
Supercharged Application No
Throttle Bore 1.750 inch
Venturii Size 1.600 inch
Warning California Proposition 65
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 96538818524

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4.7 ★★★★★
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Shae G
Pawtucket, US
★★★★★ 5
Clean Look, Sturdy — can’t ask for more!
Size: 6 Panel-119"W, Color: Grey, Size: 6 Panel-119"W, Color: Grey
Really like how it folds so I can create kind of a doorway with two of these. Pretty easy to assemble and has an uncluttered clean look due to the smooth fabric and nice color. Oh and it’s sturdy enough for pets.
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Reviewed in the United States on September 9, 2024
H
Verified Purchase
Holly
Chelsea, US
★★★★★ 5
Great Dividers
Size: 6 Panel-120"W, Color: Beige
Love these!! Many uses. Simple, nice looking, sturdy overall. Well made. Bought to divide the unsightly storage area from the calm rest area in the basement. Also, these worked well for our garage party where the dividers let light and air in, though blocked the view of our party area from the cars driving by.
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Reviewed in the United States on April 14, 2026
D
Verified Purchase
Danielle Mendoza
Belleville, US
★★★★★ 5
Great purchase!
Size: 6 Panel-120"W, Color: Beige
Beautiful. Easy to assemble and sturdy. Material is durable. Best room divider.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
M
Verified Purchase
Melissa
Draper, US
★★★★★ 5
Just what I needed
Size: 4 Panel-136"W, Color: Black
I have a one bedroom apt and my son stays with me half the time. He has an air mattress in the living room until I can afford a 2 bedroom. But he’s in his early teens and needs privacy. I bought this after looking online at may of these. I’m so glad I went with this one. It covers his air mattress 3/4 of the way around and now he has his own little nook. I also gave him some led lamps and he might it like his own little nightclub. He LOVES it. And now he’s excited to be in his space. The quality is so good and there’s no see through, no gaps, it’s perfect.
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Reviewed in the United States on March 24, 2026
J
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Jonas4321
Louisville, US
★★★★★ 4
Instructions could be clearer, but assembles well and is sturdy
Size: 3 Panel-102"W, Color: Black
The only reason for the lack of a star is the iffy instructions. There are a few different washers and the instructions could make the difference a LOT easier to understand and thereby reduce the need to re-do things. Other than that, the panels were easy to assemble and the parts fit well together. I was able to disassemble the screens and store them for a future use, which is nice. One caution - the feet that make the panels stand up will likely be a trip hazard, so be sure to plan the location for this device carefully.
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Reviewed in the United States on September 8, 2025

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