SKU: 13242201096

Holley Hi-Ram Intake Plenum Top, 105MM LS - Big Block Chevy / Small Block Chevy 300-946

Sale price$105.27 Regular price$116.97
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Description

Holley Hi-Ram Intake Plenum Top, 105MM LS - Big Block Chevy / Small Block Chevy 300-946Fits Holley Hi Ram Manifolds for Small Block Chevy and Big Block Chevy. Holley Hi Ram EFI intake manifolds are now available for 1965 & later 396 502+ MKIV MKVI Big Block Chevy engines with standard intake flange rectangle port cylinder heads. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi Ram type EFI intake manifolds that have so well served GM LS & LT, Gen 3 Hemi, SBF Ford, and Ford Coyote engine platforms. The

Fits Holley Hi-Ram Manifolds for Small Block Chevy and Big Block Chevy.

Holley Hi-Ram EFI intake manifolds are now available for 1965 & later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi-Ram type EFI intake manifolds that have so well served GM LS & LT, Gen 3 Hemi, SBF Ford, and Ford Coyote engine platforms. The iconic Chevy SBC & BBC platforms are primed for 21st century induction systems, Holley EFI engine management, and Holley fuel systems.

Features:

  • The Big Block Chevy Hi-Ram manifold is available in either a traditional Hi-Ram 105mm plenum top or with a 2 x 4150 4-barrel throttle body plenum top options
  • Hi-Ram intake manifolds are a cost-effective alternative to fabricated sheet-metal or billet manifolds for high-performance applications where induction system height is not limited
  • Uses drive by wire or cable actuated GM Gen IV LS 4-bolt throttle bodies
  • Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish
  • Throttle Cable Bracket is supplied in the kit

Specs:

Brand Holley
Carburetor Studs Included No
Category Air and Fuel Delivery
CNC Ported No
Color Natural
Construction Cast Aluminum
EGR Port No
Emission Code 3
Fuel Injectors Included No
Fuel Rail(s) Included No
Gasket Or Seal Included Yes
Grade Type Performance
Intake Port Gasket(s) Included No
Material Aluminum
Nitrous Bung(s) Included No
Plenum Finish Natural
Product Type Intake Manifold Top
Removable Runners No
Removable Top/Lid Yes
Single Or Dual Plane Type Single Plane
Throttle Body Bore Diameter 105
Throttle Body Gasket Included Yes
Throttle Body Included No
Warning California Proposition 65
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: 13242201096

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4.5 ★★★★★
Based on 29 reviews
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CakeLady
Chelsea, US
★★★★★ 4
Nice and squishy
Set name: UltraCool Pillow, Standard - Soft/Medium Firmness, Item length width: 30.0 Inches
Not really a "cooling" pillow, but better than a standard or or fiber filled pillow. All these types of pillows and other bed linens are initially cool to the touch, but they quickly heat up to match your body temperature. Although the technology currently does not exist to maintain constant cooling, pillows like this are a good compromise for now. It's nice and soft and is a good value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 30, 2025
J
Verified Purchase
Joseph Urban
San Leandro, US
★★★★★ 5
New Fave
Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches
Love It so far... Its cool and comfortable... just the right firmness
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 17, 2025
R
Verified Purchase
Richard E. Yourish
Louisville, US
★★★★★ 3
Doesn’t stay cool long
Set name: UltraCool Pillow, Standard - Soft/Medium Firmness, Item length width: 30.0 Inches
The pillow was a little softer than I expected. It’s cool at first but at least for me heats up fast.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2024
B
Verified Purchase
bryce colwell
Belleville, US
★★★★★ 2
too soft, useless. but cool, kindah
Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches
the problem with these "cooling" pillows is any cooling effect is almost completely negated by a pillow case. this particular pillow is cool to the touch, but completely useless as it flattens out completely, way too soft I think for anyone. I would not recommend this "NASA" pillow for anyone for anything. Maybe for 10 bucks, but certainly not what they ask for this. I did keep it though. It is "cool" but only for a moment and your flipping it around like any other pillow. also way too soft. BUt, it has been cool enough to get me back to sleep.
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Reviewed in the United States on May 29, 2025
J
Verified Purchase
Jack D King
Massapequa, US
★★★★★ 5
Fantastic pillows
Set name: UltraCool Pillow 2-Pack, King - Medium/Firm, Item length width: 40.0 Inches
I cannot say enough how happy I am with these pillows. Truly amazing. I put REST pillowcases on them and they are constantly cool/cold.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2025

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