Holley Hi-Ram Base, Big Block Chevy 300-961
SKU: 27783855697

Holley Hi-Ram Base, Big Block Chevy 300-961

Sale price$404.98 Regular price$449.98
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Description

Holley Hi-Ram Base, Big Block Chevy 300-961Hi Ram EFI Base for 1965 & later 396 502+ MKIV MKVI Big Block Chevy engines with standard intake flange rectangle port cylinder heads 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 &

Hi-Ram EFI Base for 1965 & later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads

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:

  • Designed for 1965 & later 396-502+ MKIV-MKVI standard 9.80? deck height Big Block Chevy engines with standard intake flange rectangle-port cylinder heads.
  • MAP sensor port is for a GM Gen IV LS MAP sensor, manifold also has provisions for (1) 1/8 NPT, (1) 1/4 NPT, (1) 3/8 NPT fittings to the plenum
  • The coolant outlet is a standard Chevy thermostat housing flange. and (2) 1/2 NPT and (1) 3/8 NPT coolant ports are provided.
  • Power Band: 1500-8000 RPM
  • Black anodized EFI fuel rails are machined for -10AN O-ring fittings and come included with these EFI Hi-Ram kits.
  • Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish
  • Requires the use of early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors
  • 2.40? tall x 1.60? wide port flange openings, uses Mr. Gasket intake manifold gasket #5817

Specs:

Basic Operating RPM Range 1500-8000
Brand Holley
Carburetor Studs Included No
Category Intake Manifolds
CNC Ported No
Color Natural
Construction Cast
Cylinder Head Port Shape Rectangle
EGR Port No
Emission Code 3
Engine Chevy Big Block V8
Finish Natural
Fuel Injectors Included No
Fuel Rail(s) Included Yes
Fuel System Type EFI
Gasket Or Seal Included Yes
Grade Type Performance
Manifold Type Hi-Ram
Material Aluminum
Nitrous Bung(s) Included No
Plenum Finish Natural
Product Type Intake Manifold Base
Removable Runners No
Removable Top/Lid Yes
RPM Power Band 1500-8000
Single Or Dual Plane Type Single Plane
Throttle Body Included No
Type of Component Lower Manifold
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: 27783855697

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Marina Gulley
San Leandro, US
★★★★★ 4
Good product , but
Size: 1.3 Fl Oz (Pack of 1), Size: 1.3 Fl Oz (Pack of 1)
It seems to be a good product and it’s not too heavy , but still caused few breakouts here and there . Also, Avenue always has protective foil on their cream , this one didn’t have (I replaced it but new one also didn’t have it). Also, it goes away really fast because it’s only 1.3 ounces.
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Reviewed in the United States on April 12, 2026
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Avid Reader
Cuba, US
★★★★★ 5
Hydrating
Size: 1.3 Fl Oz (Pack of 1)
Dermatologist recommended. Works very well
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Reviewed in the United States on May 16, 2026
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Violet
Phoenix, US
★★★★★ 5
Gold Star
Size: 1.3 Fl Oz (Pack of 1)
This cream is truly gentle and healing for a compromised skin barrier. I prefer this cream in the winter, when the weather is dry, and after procedures like microneedling or laser. It has never irritated my skin, and does soothe and heal. The La Roche Posay cicalfate cream is also excellent, I think it is slightly less rich, so I prefer that in humidity or the summer.
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NikkiB
New York, US
★★★★★ 5
Overpriced but it works.
Size: 1.3 Fl Oz (Pack of 1)
I hate that I love this product. It's stupid expensive. But it's great for broken/damaged/recovering skin. I've used it post microneedling and it is the only thing that soothes, hydrates, and doesn't sting raw, red skin. Great for rashes/hives and allergic reactions too. Luckily a thin layer is often enough to do the trick. so it lasts a long time I wouldn't use for everyday moisture, but when your skin is angry, this stuff works. (Overpriced? Yes. Witchcraft? Maybe. Does it work? Yep.)
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Reviewed in the United States on December 10, 2025
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English farmhouse
Phoenix, US
★★★★★ 5
Works wonder
Size: 1.3 Fl Oz (Pack of 1)
Amazing product. The scars from my daughter acne are mostly gone after 1 month. We will purchase again
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Reviewed in the United States on February 27, 2026

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