Holley Hi-Ram Lower Manifold - GM LS1/LS2/LS6-Black 300-226BK
SKU: 57860543427

Holley Hi-Ram Lower Manifold - GM LS1/LS2/LS6-Black 300-226BK

Sale price$382.48 Regular price$424.98
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Description

Holley Hi-Ram Lower Manifold - GM LS1/LS2/LS6-Black 300-226BKLS1 LS2 LS6 Cathedral Port Carbureted Base Only (Plenum Top Mounting Fabrication Flange Available) The Holley GM LS1 LS2 LS6 Modular Hi Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet metal for high performance applications where induction system height is not limited. Coupling this Hi Ram intake with the high flowing LS1 LS2 LS6 style cylinder heads has outstanding potential for N A and forced induction

LS1/LS2/LS6 Cathedral Port Carbureted Base Only (Plenum-Top-Mounting Fabrication Flange Available)

The Holley GM LS1/LS2/LS6 Modular Hi-Ram Intake Manifold is introduced as a cost effective alternative to fabricated sheet-metal for high-performance applications where induction system height is not limited. Coupling this Hi-Ram intake with the high flowing LS1/LS2/LS6 style cylinder heads has outstanding potential for N/A and forced induction applications at a budget-minded cost. Aggressive, bold, race-bred styling will make bad intentions clear for drag race, muscle car, marine, off-road, sandrails, pulling trucks, track, street-rod applications and more!

NOTES: These parts should be used for the following applications: Racing/Performance/Street Rodder where hood restrictions are NOT a consideration.

Features:

  • Port Size ? 2.49? Height x 1.21? Wide
  • Mounting Flange Gasket Type ? Standard LS3 Molded O-Ring
  • Plenum Top Gasket Type ? 3/32? Round O-ring Cord
  • Runner Length ? 6.58?, As-Cast Runner Cross-Sectional Area ? Tapered 4.25 in? to 2.53 in?

Specs:

Basic Operating RPM Range 3500-8000Revolutions per Minute
Brand Holley
Carburetor Studs Included No
Color Black
Construction Cast
EGR Port No
Emission Code 4
Engine GM LS1/LS2/LS6
Finish Black
Fuel Injectors Included No
Fuel Rail(s) Included No
Fuel System Type Carb
Gasket Or Seal Included No
Grade Type Performance
Intake Port Gasket(s) Included No
Material Aluminum
Nitrous Bung(s) Included No
Plenum Finish Black
Product Type Intake Manifold Base
Removable Runners No
RPM Power Band 3500-8000 RPM
Single Or Dual Plane Type Single Plane
Throttle Body Included No
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: 57860543427

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MJake
Battle Creek, US
★★★★★ 4
Easy to use
Color: Silver, Memory Storage Capacity: 128 GB, Set name: Wi-Fi
Good product. Easy to use. The sound turns off occasionally which seems to be a glitch with ipads
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Reviewed in the United States on February 26, 2026
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Jay Blaustein
Carnegie, US
★★★★★ 5
Fast shipping
Color: Blue, Memory Storage Capacity: 128 GB, Set name: Wi-Fi + Cellular
Item as described, mint condition, works great came with charger block and fast shipping only issue I had is with shipping carrier. FEDEX stinks showed arrival as Monday, was delivered 1/21 10:45 am yet their system showed package was in Louisville, Tn at this time later in the evening I checked again showed delivered. No package by my door from FedEx had to go to their website to find picture where the left it. Was found at entrance to my complex on top of mailboxes where anyone could have of taken it…
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Reviewed in the United States on January 22, 2026
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LD
Waukegan, US
★★★★★ 5
Very satisfied with purchase!
Color: Silver, Memory Storage Capacity: 256 GB, Set name: Wi-Fi + Cellular
Everything worked as advertised. Nice 11rh generation iPAD.
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Reviewed in the United States on April 30, 2026
M
Verified Purchase
mmanderson8
Los Angeles, US
★★★★★ 5
Exactly as described
Color: Red2
Very sturdy and definitely protects my iPad. Great buy even has a part of the pen. Fits perfectly no issues putting it on and it has layers to ensure that your iPad is protected. Color is exactly as pictured. Easy to use and charges fine with the case on
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Reviewed in the United States on March 18, 2026
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NY
Los Angeles, US
★★★★★ 5
Not broken yet.
Color: Light Purple
I bought this for my daughter’s tablet and she has put it through the test. It has been dropped multiple times and the tablets still good. It was easy to put on, looks good, and does the job.
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Reviewed in the United States on April 26, 2026

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