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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
- 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
4.8 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Sturdiest surge protector I've seen
Style: 12ft Cord (Black), Pattern Name: Single
I was very surprised by the quality of this surge protector, especially for the price I payed.
Pros: Sturdy construction, and nice color. It's barely visible under my desk.
Very tight grip on whatever is plugged in so there is no risk of anything accidentally coming unplugged.
Thick gauge cord but surprisingly pliable so it bends easily for hiding and bundling up excess length.
Visible and satisfying LED light shows your electronics are protected.
Guarantee printed right on the box insuring your electronics in case of a damaging power surge.
Cons: Nothing that comes to mind!
I would strongly recommend this surge protector to anyone looking to manage lots of plugs for a computer, a large entertainment center or just a group of electronics plugged into the same outlet. I know it seems silly to be so enthusiastic over something as trivial as a surge protector but when it comes to protecting large investments you shouldn't put faith in a $5 bargain power strip. I'm buying Tripp Lite any time I need more outlet space from now on!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2014
★★★★★ 5
Does the trick well.
Style: Base Station Mount + Headphone Hanger, Style: Base Station Mount + Headphone Hanger
It's about 3D printer feel, so be sure to locate it where you won't bump it. It comes with everything you need to mount in a couple different configurations, which is a nice touch. The DAC fits perfectly and sets up nicely. Recommended for a polished look to keep your desk clear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 5
This item is exactly what you expect by description.
Style: Base Station Mount + Headphone Hanger
Magnetic is plenty strong enough to hold headphone up. Works exactly as you would hope. Permanent mounting options included.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 4
It works and the magnet is strong.
Style: Base Station Mount + Headphone Hanger
Strong magnet, looser fit than I like. Once I hang my headphones on the hanger it weighs it down enough to make the tab in the back not do it's job of keeping the base station from slipping out. I squeezed/pinched/bent the plastic together and it is working for now, but the plastic is flexible and I have a feeling I will be doing this again or needing to put some sort of support on the back. It came with a prybar, so I assumed it would be a tighter fit. Not so much.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
★★★★★ 5
Great pickup
Style: Base Station Mount + Headphone Hanger
Works perfectly. Original magnet was a little weak but I got it to worm
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
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