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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
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Exchange/Return Notes
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4.6 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
Beyond my expectations…
Scent: Incredible 10/10. The entire shower smells like a spa afterwards. Woody notes, vanilla scent is deliciously heavy and warm, and even one pump delivers a punch of fresh vanilla scent to your entire body. I’m a woman who is in love with heavy earthy scents and this is it!
P.S it also matches well with scents like vanilla, cocoa butter, chocolate, or even delicious “smore” scents! I pair it with vanilla and cocoa butter scented deodorant, vanilla perfume, or vanilla body lotion and it works amazing!
Longevity: Lasts the entire day if I’m staying home just relaxing, not working out or sweating very much. I could shower in the early morning and by the time my head hits the pillow I still smell it faintly!
If I’m out and about it still lasts hours I’d estimate around 6-8 hours before the scent fades! If I shower at 6am, come home at 5pm-6pm after work I still smell fresh! (I always shower 2x a day but you don’t even need to with this!
Value for Money/Size: Oh absolutely! I think I bought this soap two weeks ago? Used it nearly every day, and you can’t even tell! One pump is enough, two pumps MAX per shower per day.
I decided to lavish myself by buying this soap, because it’s a bit more pricey. But it’s actually saving me more money, at this rate I’ll be buying another one of these every 3 months! So that’s…4 times a year? 5 max? That’s incredible. I’ll probably stick with Cremo for life honestly. And I’m a woman!💕🎀
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Reviewed in the United States on March 7, 2026
★★★★★ 5
High Quality and Smells Great!
This is so far superior to the standard soaps that you buy off the shelf in a supermarket. It creates a truly luxurious lather and smells fantastic without being obnoxious or perfume.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Best vanilla body wash I've seen
Proper vanilla scent with a kick, without the vomit inducing synthetic aftertaste
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Pastorally edifying & personally encouraging
Format: Kindle
As a pastor and a biblical counselor, I’ve read Powlison many times. I know people who knew him personally. He is a man of nearly mythic proportions in the 2026 landscapes of biblical counseling.
And so, based the current landscape of the BC movement at the dawn of 2026, I thought it was to revisit Powlison myself.
This is an excellent little read. Recommended for ALL pastors and counselors.
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Reviewed in the United States on January 25, 2026
★★★★★ 4
Insightful, Bibical, and Helpful, but with One Major Oversimplification
Format: Paperback
This brief book posthumously publishes new reflections from David Powlison about pastoral counseling. The book opens with a foreword from Ed Welch, who writes about his personal connection with the author and the ways that this book has sharpened his thinking, and the main text includes an introduction, two chapters, and an appendix with suggested reading from both Christian and secular sources. Although "The Pastor as Counselor: The Call for Soul Care" is only eighty pages long, it is full of articulate, biblical, and concise reflections about what counseling is and why pastoral counseling is so uniquely powerful.
Insightful and Wise
Although I read this book from a layperson's perspective, I found it insightful and helpful. Powlison explains that pastors are always counselors, regardless whether or not they meet one-on-one with people, and show by example what kind of soul care they think is necessary for flourishing. He encourages pastors to take stock of how they present themselves and what common failings they need to avoid, such as offering platitudes or not listening well. He also delineates the clear differences between pastoral counseling and secular "therapeutic professionalism." He explains that because pastoral counseling is gospel-based and flows out of a personal relationship that is free from clinical detachment or professional reserve, it can be particularly powerful to help change people's lives.
One Concern
I absolutely agree with this, but unfortunately, Powlison creates a false dichotomy between biblical counseling and professional therapy, making it sound like all resources outside of the church will be unhelpful and spiritually destructive. The church has unique resources to meet sufferers' needs, and we shouldn't abandon Christians to the spiritually twisted and harmful ideas common within secular counseling, but Powlison creates a false dilemma between abandoning people to godless counseling versus taking on all of their care within the church directly. He does not address how Christian mental health professionals can support the church's work in complicated cases, and does not indicate what a pastor should do if someone's mental health situation or life struggles are beyond the church's understanding or ability to deal with.
Because I am not very familiar with Powlisons's work, I do not know what all of his views are related to integrative approaches to counseling, and it is possible that he has addressed this issue in-depth elsewhere. I certainly did not expect him to cover it in much detail in this very short book, but the oversimplification that he presents calls for discernment and additional reading. I hope that Powlison's writing here will not make pastors resistant to partnering with professionals outside of the church body, as long as those therapists bring a Christian worldview and gospel implications into each aspect of their work.
Conclusion
Despite my concerns about this oversimplified element, I would strongly recommend that pastors read this book as a way to evaluate themselves, better understand their unique role in people's lives, and consider how they can better care for others in their context. Powlison addresses many issues very well in this book, and it is a wonderful resource for pastors who need succinct, encouraging insight into how they can better understand the counseling aspect of their pastoral role and engage in meaningful conversations, caring relationships, and one-on-one care.
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Reviewed in the United States on June 30, 2021