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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
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Description
4150 950Cfm Xp Alum Dp Sc W Black Billet-0-80577SABy popular demand, Holley is expanding the draw thru supercharger carburetor line to now include the XP series. Like the existing HP line, these are available in 600, 750, and 950 CFM flow rates and standard polished with black accents. The feature laden XP includes a contoured venturi inlet for balanced air flow, screw in air bleeds for precision tuning capabilities, high flow billet metering blocks, billet base plate, and Dominator style fuel bowls
By popular demand, Holley is expanding the draw-thru supercharger carburetor line to now include the XP series. Like the existing HP line, these are available in 600, 750, and 950 CFM flow rates and standard polished with black accents. The feature-laden XP includes a contoured venturi inlet for balanced air flow, screw in air bleeds for precision tuning capabilities, high flow billet metering blocks, billet base plate, and Dominator style fuel bowls which allow plumbing from either side. Supercharger XP carburetors also have a unique capability that allows their power valves to reference the intake manifold vacuum below the supercharger. This allows the power valve to operate as it should, based off intake manifold vacuum. A power valve provides further enrichment to the main metering system under load (low vacuum) conditions. Holley XP carburetors are the standard for square bore race carburetors. Race-Ready out of the box!
Features:
- Tumble polished shiny finish for good looks
- Big block Chevrolet 2x4, 871 & 1071 blower calibration
- Contoured venturri inlet offers balanced airflow for increased horsepower
- Screw in air bleeds for precision tuning capabilities
- Dual 30cc accelerator pumps for additional fuel under initial acceleration
- Dual feed fuel inlets for constant high volume fuel delivery
- 4 corner idle allows you to precisely control your idle system
- Mechanical Secondaries for perfect off the line launches
- Boost referenced power valve for proper enrichment under acceleration
- Throttle lever cut off for clearance on a sideways application
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
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
4.4 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Love this beautiful serving plate!
Beautiful, meaningful, loving energy radiates from this practical serving plate. I bought it as a gift for my daughter for her bridal shower. Every time she and her husband use it, it sets a loving, kind and welcoming tone for each other, and all who share a meal with them!
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Sturdy plate
Plate was awesome and very sturdy
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Good quality and value
I gave one to each my sister and sister in law. They loved it. Good quality and size. I’d buy it again. It’s not a perfect round, so if anal it might bother you. I loved it.
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Reviewed in the United States on September 24, 2025
★★★★★ 1
Exactly as pictured
Pay close attention to the picture of this item. The printing looks off center and the plate is not completely round. See the top in the picture where it goes out of round. It is exactly as you see in the photo. Purchased as a gift but looks off to me so I returned it
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Reviewed in the United States on May 18, 2026
★★★★★ 5
EXCELLENT QUALITY!
This plate/platter is absolutely BEAUTIFUL! Perfect for my intention to give as a “HOME Warming” gift! EXCELLENT quality! The plate is packaged very well in a white box with plenty of room to write a note or be creative in the gift wrapping! I’m putting a photo on the box of the new HOME…already overflowing with LOVE!
🥰❤️❤️❤️🏡
Thank YOU for this absolutely perfect gift idea. I LOVE it!!!
(I’m buying more to have on hand to welcome new neighbors. 😁)
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Reviewed in the United States on March 10, 2025