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Description
Holley Hi-Ram EFI Intake Manifold Kit - Big Block Chevy 300-963Hi Ram intake manifold with 105mm LS GenIV type throttle body flange type plenum top. A 10AN fuel rail kit is included. 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,
Hi-Ram intake manifold with 105mm LS GenIV type throttle body flange type plenum top. A -10AN fuel rail kit is included.
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
- 300-961, 300-963, and 300-964 are 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.
- Uses drive by wire or cable actuated GM Gen IV LS 4-bolt throttle bodies
- 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.
- Plenum Top Gasket Type ? 3/32? Round O-ring Cord
- 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
- Throttle Cable Bracket is supplied in the kit
Specs:
| Basic Operating RPM Range | 1500-8000 |
|---|---|
| Brand | Holley |
| Carburetor Studs Included | No |
| Category | Intake Manifolds |
| Color | Natural |
| Construction | Cast |
| Cylinder Head Port Shape | Rectangle |
| EGR Port | No |
| Emission Code | 3 |
| Engine | Chevy Big Block V8 |
| Finish | Natural Cast |
| Fuel Injectors Included | No |
| Fuel Rail(s) Included | Yes |
| Fuel System Type | EFI |
| Gasket Or Seal Included | Yes |
| Grade Type | Performance |
| Intake Port Gasket(s) Included | No |
| Manifold Type | Hi-Ram |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Natural |
| Product Type | Intake Manifold |
| Removable Runners | No |
| Removable Top/Lid | Yes |
| RPM Power Band | 1500-8000 |
| Single Or Dual Plane Type | Single Plane |
| Throttle Body Bore Diameter | 105 |
| Throttle Body Included | No |
| Throttle Bore | 105 |
| 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:
- Standard Shipping : 3-10 business days
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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]
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4.7 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
The softest skin you will ever have without any expensive products!!
Great for removing dead skin and peach fuzz. A lot of other blades have the little teeth that are great for preventing scrapes and cuts but don’t quite get close enough for me. You do have to be careful because they are very, very sharp and you can cut yourself. It does have rounded edge that is very helpful in preventing the little cuts. My skin is super smooth and my makeup goes on amazing after using. As a 47 year old that makes a huge difference.
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Reviewed in the United States on March 25, 2025
★★★★★ 1
Do not purchase
Size: #10R, Style: Pack of 10
Not sharp enough and does not work no matter what products you put under it to remove hair and how you use it. The durability is very cheap and it is not valuable even if it’s for less than $15. I would not recommend this product for your body including your face, upper lips, under arms, and anywhere on your body.
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Reviewed in the United States on March 20, 2026
★★★★★ 4
Not as sharpe
Size: #14R, Style: Pack of 20
They do the job just thought they were going to be sharper
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Individually wrapped blades for hygiene
Size: #14R, Style: Pack of 20
Very hygienic that it comes in individual packaging! Every blade comes with a cover and a small sandpaper to keep the blades sharp! Perfect to keep reusing on their own.
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Reviewed in the United States on April 13, 2026
★★★★★ 3
Great for Peach Fuzz, But Not as Sharp as I Expected
Size: #14R, Style: Pack of 20
I really liked that each dermaplaning blade is individually packaged, which helps keep them clean and sanitary until you’re ready to use them. As a hairstylist/barber who works with sharp tools every day, I did not feel like these blades were particularly sharp. That may actually be a positive for someone who is new to dermaplaning and wants something a little less aggressive.
I used them on dry skin, but you can also use a facial oil for more glide. They did a nice job removing peach fuzz and left my skin feeling smooth afterward. Just be sure not to use them over active acne or irritated areas.
While they worked well on facial hair, I didn’t notice much additional exfoliation from my first use. I’ll continue using them every couple of weeks and see how they perform over time. Overall, a decent option, especially for removing peach fuzz.
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Reviewed in the United States on May 31, 2026