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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
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:
- 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
4.1 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Me gustaron
Size: 9.5 Wide, Color: Black
Llego exactamente la talla que pedí, son como se ven en la foto!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
★★★★★ 5
Comfortable dress shoe.
Size: 7, Color: Brown Napa Leather
Finally a comfortable dress shoe. It's both comfortable to walk in and looks and wears like a more traditional dress shoes for the office.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
★★★★★ 5
Tropical Fringe Fun for My Summer Outfits
Color: Natural, Color: Natural
I am absolutely obsessed with this straw purse because it feels like a vacation in my hand. The first thing I noticed is how the raffia fringe has this playful half moon shape that looks like a little lion mane but in a very high fashion way. My daughter even joked that it looks like a giant fancy taco which makes it such a fun and unique piece to carry around. It is incredibly lightweight which is a huge relief because I do not want to carry a heavy bag when the weather is hot. Even though it looks compact on my mannequin, it is surprisingly roomy inside and fits my phone and all my daily essentials without feeling stuffed. The magnetic closure is quite strong so I do not have to worry about my things falling out while I am walking around a summer party or a night out.
The neutral tan and cream colors in the fringe make it very easy to match with almost any outfit I own. I really appreciate the small metal brand patch on the front because it gives the bag a more polished and expensive look than a typical straw tote you might find at a souvenir shop. One thing to keep in mind is that the raffia is very textured so you should probably be careful with delicate silk fabrics so it does not snag. It feels very sturdy and well made for something that is woven from grass and I love how the fringe adds so much movement when I am moving around. This bag is definitely going to be my go to accessory for the rest of the season because it is both stylish and very practical for my needs.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
👜 Effortless Spring-to-Summer Clutch That Feels One-of-a-Kind
Color: Natural
👜 Effortless Spring-to-Summer Clutch That Feels One-of-a-Kind
I’ve been a longtime fan of Sam Edelman, especially because they actually make stylish pieces that work for real life. So when I saw this clutch, I had a feeling it would be good… but I didn’t expect it to hit *this* level.
This bag is a vibe. The raffia texture and that half-moon fringe give it such a unique, standout look without trying too hard. It feels like the perfect piece to roll right into spring and carry straight through summer. Think beach days, dinners out, travel nights, all of it.
What I love most is that it doesn’t look like everything else out there. It feels original, like you found something special instead of just grabbing another basic clutch. It’s lightweight, easy to carry, and the magnetic closure keeps things simple and secure.
It also pairs effortlessly with different outfits. You can dress it up or keep it casual and it still works.
Now let’s be real, it’s a designer piece, so it’s not cheap. But for the style, quality, and uniqueness, I do think it delivers strong value for money.
Five stars from me. This one’s coming with me everywhere this season ☀️
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Super cute clutch!
Color: Natural
This is a beautiful clutch. I got the “Natural” color, and the tones are definitely subtle. I am already eyeing the Spicy one too, but for me, the natural color is just easier to match with outfits. I did laugh though because my nephew said it looks like a taco, but honestly that just makes me love it even more!
The material is extremely nice, it feels very premium and well made. I was a bit nervous because I have had cheaper bags with that shredded-style material that flakes and falls apart, but that is not the case here. It feels really well made. I cannot speak for long-term durability yet, but so far there is no shedding or anything like that. I also did not notice any loose stitching or threads at all, it just feels like a high-quality bag.
It has small magnets to keep it closed, which work nicely. There is not a ton of space since it is a clutch, but there is still enough room for my phone and a few small items, so it works well.
Overall, it is just a really gorgeous, well made bag, and I really do not have anything to complain about.
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Reviewed in the United States on April 2, 2026
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