SKU: 60915550682

Holley Hi-Ram Lower Manifold - GM LT1 - 300-236

Sale price$449.98 Regular price$499.98
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Holley Hi-Ram Lower Manifold - GM LT1 - 300-236Overview: The new Holley EFI Hi Ram intake provides the ultimate performance with the new GM direct injected Gen V 6. 2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper & cross sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake

Overview:

The new Holley EFI Hi-Ram intake provides the ultimate performance with the new GM direct-injected Gen V 6.2L LT1 engine. The modular design of this manifold allows easy disassembly for custom porting, multiple tops, or custom induction systems. Each runner has a large radius where it meets the plenum, and optimized taper & cross-sectional area to perform in a wide variety of engine configurations. The optional injector bosses on the intake runners allow increased performance potential by using additional injectors along with the factory direct injection. When you look for the pinnacle of performance, price, and quality, look to Holley EFI.

Features:

  • Modular Design w/ Removable Top
  • Overall Height: 13.34” (w/ EFI Top - 95mm or 105mm) – See Drawing
  • A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing
  • Height at Plenum Flange: 9.44”
  • Port Size: 2.06” High x 1.53” Wide
  • Runner Length: Approx. 6.5”
  • Large Plenum Volume of 549 Cubic Inches (w/ 1 x 95mm or 1 x 105mm Throttle Body Top)
  • Available With or Without Injector Ports in the Runners
  • Intakes w/ Injector Ports Include Fuel Rails w/ Dual Mounting (1.48” or 2.56” O-ring to O-ring injector length)
  • Fuel Rails are Anodized, Laser Etched, and Machined for 8AN O-Ring Fittings at Each End
  • Rear of Plenum Machined for MAP & 3 Vacuum Ports
  • Head Flange has Clearance for Fuel Supply to High Pressure Pump
  • Increased Runner Wall Thickness for Custom Porting at the Plenum to Runner Entry on Each Runner
  • O-Ring Seals at Cylinder Heads & Plenum Top
  • Easy Assembly w/ Top Mounted Screws on Plenum Top (all except front 2 screws)
  • Several Top Options: 1 x 95mm, 1 x 105mm, 2 x 4150, 2 x 4500, or Blank Flange for Custom Throttle Bodies
  • 3500-8000+ RPM Power Band

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Construction Cast
Emission Code 3
Engine GM Gen V LT1
Finish Satin
Manifold Type Hi-Ram
Product Type Intake Manifold
RPM Power Band 3500-8000+
Type of Component Lower Manifold
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: 60915550682

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★★★★★ 5
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Its a perfect way to get a lil bit of privacy, its the color steel. Its a little darker than the picture but it works. Free standing doesn't attach to furniture and takes maybe 10 mins to put together. It's about 5 feet tall. Very lightweight cover slides over the steel frame and zips st the bottom.
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Reviewed in the United States on February 27, 2026
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SCOTT C. CHIU
Charlottesville, US
★★★★★ 5
Perfect for my office space!!
It's a well packaged item including a simple tool set and a clear instruction. I put it together just by myself in about 15-20 minutes without any problems. The base is solid pieces of metal, and it stands very sturdy. It's also light enough for me to move it around in my office to serve different purposes. I like the color and the quality of the fabric. It blends in with my office space perfectly. I needed it as a partition between my desk and the door, and the background for my video conference call. Surprisingly, it can also deflect the air coming down from the AC vent behind my desk. I didn't expect it to 100% soundproofing (not its purpose), but I feel it did absorb some humming sound from my mini fridge behind my desk. I would recommend this to my colleague.
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Reviewed in the United States on June 18, 2024
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Evelyn Sanchez
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★★★★★ 5
Easy to Assemble
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The DECOLAB Standing Room Divider is easy to assemble, very sturdy, is of great quality, provides the needed privacy and looks great.
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Reviewed in the United States on December 22, 2025
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Jun
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★★★★★ 5
Good for Small office
Color: Taupe
Easy to install and nice color. But not very stable but OK to use. Overall, would recommend.
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Reviewed in the United States on January 15, 2026
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LUCY
Fort Morgan, US
★★★★★ 5
Very good product
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The material on this soundproof room dividers is really solid. The panels are super thick and do a decent job at cutting down noise. Now, if you're looking to completely soundproof a space, just getting these three pieces probably won't cut it. You'd need to wrap your whole house in them to get that total sound blockage. The wheels are awesome. They roll super smoothly and quietly, making it a breeze to move this room divider around. The design is really user-friendly and practical. This sound proof dividers are super handy. It works great in bedrooms, living rooms, offices - pretty much anywhere you need to divide up space and create a quieter environment. The customer service team is top-notch. When I had questions about the product, they got back to me right away and helped solve my issues. They're really professional and clearly care about making customers happy. All in all, I'm really happy with this soundproof partition. It's made with quality materials, the wheels make it easy to move, it's super versatile, and the customer service is excellent. I'd definitely recommend it to anyone in the market for a room divider.
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