SKU: 18472518194

Holley Single Plane Split-Design Intake Manifold GM LS3/L92 Black-4150 300-291BK

Sale price$350.98 Regular price$389.98
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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17

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Description

Holley Single Plane Split-Design Intake Manifold GM LS3/L92 Black-4150 300-291BKOverview: The new Holley Single Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit GM LS Gen III engines with LS3 L92 heads and are intended for 4150 style square bore flanged carburetors or throttle body EFI. The LS Race single plane intake manifold was designed for hi performance racing engine

Overview:

The new Holley Single-Plane Race intake manifold were designed with performance in mind. They feature a race bred, two piece split feature that was previously only found on the most expensive race intakes. The manifold will fit GM LS Gen III engines with LS3/L92 heads and are intended for 4150 style square bore flanged carburetors or throttle body EFI. The LS Race single-plane intake manifold was designed for hi-performance/racing engine applications, 5.3 to 6.2+ liter displacement, and maximum engine speeds of 6000-7000 rpm, depending on the engine combination. This single-plane design provides optimal performance across the RPM spectrum while providing maximum performance up to 7000 rpm. The Holley LS Race manifold incorporates a split feature, which allows disassembly of the intake for direct access to internal plenum and port surfaces, making custom porting and matching a snap. With shoulder bolt locators and O-ring seal, reassembly is simple and precise. Technical Data: ? A-B Height - 7.25" (0° carb flange angle) ? Port Size- 2.59" Height x 1.28" Wide ? Carburetor Flange - Standard 4150 for up to 1-3/4" diameter throttle bores ? As-Cast Runner Cross-Sectional Area - 4.5 in² at the runner entry tapered to 3.2 in² at the flange exit

Features:

  • Maximum performance race design with hood clearance consideration
  • Lighter than other split race intakes
  • Split feature making porting efforts easy!
  • 33 to 50% the price of other split race intakes
  • Captured O-ring seals at head ports and split
  • Vacuum Port options include (2) 1/8, (1) 1/4, and (1) 3/8, NPT ports at the carb flange
  • Black Finish

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Barrels 4
Brand Holley
Color Black
Construction Cast
Emission Code 3
Engine GM LS1/LS2/LS6
Finish Black
Flange Style 4150 Square Bore
Front Height 7.25 inch
Fuel System Type Carb
Manifold Type Split Single Plane
Product Type Manifold
Rear Height 7.25 inch
RPM Power Band 2500-7000
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: 18472518194

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4.5 ★★★★★
Based on 12 reviews
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Product Reviews
M
Verified Purchase
mel
Houston, US
★★★★★ 1
Massive problems with timely shipping and delivery!!!
Color: Grey, Size: 8' Wide x 6'6" Tall
I have purchased three panels at $1300 plus each. The first two came very late, in one shipment; the third in a separate shipment. I have yet to receive the third, despite being present when shipping has twice said the business was closed. The first two were delivered almost a week late after numerous discussions (over four hours with Amazon support in online chat and phone) specifying there is NO WAY the business was closed as it is open 24/7. CAUTION. Further, the video is misleading. The panels are 70 pounds. A 5’2 athletic woman will most likely need assistance to balance and stabilize the panels. The magnetic buttons work IF you can get the panels aligned, which must be a two-person job for a petite individual due to the panel’s 8 foot height. Check reviews thoroughly for the stability feet which can be purchased separately; the recommended sets are plastic and not sturdy. Overall: BEWARE of shipping and delivery drama. Do not expect this product timely. Ensure two people are available if you are not tall. Recommend consideration for a different acoustic panel system. I will most likely be cancelling the panel I have not yet received. The expense is not worth the numerous issues. Good luck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2024
B
Verified Purchase
Bill
Grantham, US
★★★★★ 5
Sound wall
Color: Grey, Size: 8' Wide x 6'6" Tall
As described
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
J
Verified Purchase
Jacuquline fisher
Massapequa, US
★★★★★ 5
Does the job!
Color: Grey, Size: 8' Wide x 6'6" Tall
I got this to close off a room and it does a great job.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2024
K
Verified Purchase
Kevin M
Battle Creek, US
★★★★★ 1
Lower Quality than Competitors
Color: Black, Size: 8' Wide x 30" Tall
Construction is different from the Wall I brought from Children's Factory. Would recommend going there for a higher quality product and to save some money.
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Reviewed in the United States on April 17, 2026
J
Jozy
West Palm Beach, US
★★★★★ 4
Well made… for children?
Color: Black, Size: 8' Wide x 30" Tall
This review is for the 30” tall one. I’m honestly struggling to find a great use case for how short this is. I don’t have children or am associated with any institution where they may be some. I could see it being used for creating that type of sound barrier. The panel itself is very well made. Looks and feels like an air wall that you’d see in a convention center. I can absolutely tell there’s an acoustic absorption property to it. The whole thing unrolls quickly and is fast to deploy. As far as privacy goes, it’s kind of useless unless you are trying to wall in small children. I can’t really say the value is all here for this. Seems quite a bit more expensive than it’s worth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 29, 2026

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