Holley Single Plane Split-Design Race Intake Manifold- GM LS3/L92-4150 - 300-291
SKU: 2066369020

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

Sale price$304.18 Regular price$337.98
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Description

Holley Single Plane Split-Design Race Intake Manifold- GM LS3/L92-4150 - 300-291Overview: 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" (0Β° 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 inΒ² at the runner entry tapered to 3.2 inΒ² 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

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Barrels 4
Brand Holley
Color Silver
Construction Cast
Emission Code 3
Engine GM LS3/L92
Finish Satin
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: 2066369020

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Grantham, US
β˜…β˜…β˜…β˜…β˜… 4
If the set screws were white the shelves would be perfect.
Color: C. White - Modern Minimalist Style, Number Of Shelves: 3, Size: 15.7inches
I'd give 4 1/2 if there was one. The shelves thwmself are nice I just don't like the visible little black set screws. The shelves themself look great and are not wobbly at all if you install correctly. I purposely installed the bracket upside down because of the little black setting screws; I didnt want them showing because the shelves are above eye level and the screws are black and I didn't want them showing. But that made the shelf lean amd wobbly so I turned them back over the way they are supposed to be and that made them level and sturdy. I guess I'll paint the little screws.
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Reviewed in the United States on January 21, 2026
K
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Kaili
Port Orchard, US
β˜…β˜…β˜…β˜…β˜… 5
Perfect for a coffee bar
Size: 16inch, Color: 1 Set, Size: 16inch, Color: 1 Set
Cute cofffee bar shelf! Perfect size and sturdy
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Reviewed in the United States on March 15, 2026
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Tim & Adrienne
Battle Creek, US
β˜…β˜…β˜…β˜…β˜… 5
Great shelves with basket storage
Size: 16inch, Color: 2 Sets, Size: 16inch, Color: 2 Sets
I was looking for shelves that had storage and these have by far exceeded my expectations. I love them! They came well packaged with everything needed to hang them up. It took us less than 5 mins to hang them. They are sturdy and stable. I definitely would recommend this product. We have them hung on the wall above our coffee bar.
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Reviewed in the United States on October 29, 2025
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Stefanie
Chelsea, US
β˜…β˜…β˜…β˜…β˜… 5
These shelves are awesome!!!
Size: 16inch, Color: 2 Sets, Size: 16inch, Color: 2 Sets
I absolutely love these shelves! I don’t have a single complaint. They look fantastic, well made. If debating on buying these just do it! You won’t be disappointed.
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Reviewed in the United States on March 16, 2026
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wes
Dallas, US
β˜…β˜…β˜…β˜…β˜… 5
Simple installation
Size: 16inch, Color: 2 Sets
Super easy to put together and came just as it said it would and the directions were very thorough and simple!
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Reviewed in the United States on February 1, 2026

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