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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:
- 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
4.7 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Great price and very quiet
Color: Black
I use the Honeywell TurboForce HT-900 in my home office to help with airflow around my computer setup, and it’s been a solid performer for the price.
Despite its small size, it moves a surprising amount of air. On high, it pushes a strong, focused stream that actually reaches across the room. Medium is what I use most often since it balances good circulation with reasonable noise, and low is quiet enough to run in the background without being distracting.
Noise levels are generally acceptable. Low and medium are fairly quiet with a consistent hum, while high is noticeably louder but still not unbearable for short bursts.
It’s also very simple to position and use. The head tilts easily, so you can aim airflow exactly where you need it, and the compact size makes it easy to place on a desk without taking up much space.
Overall, it’s a straightforward, no-frills fan that does its job well. Strong airflow, simple controls, and good value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
★★★★★ 5
Powerful and long lasting
Color: Black
I purchased a blue colored one in May 2022 and it finally went out a few days ago. I ran this thing almost constantly as im going through menopause and it came to be a staple at my bedside. 4 years of running ALL THE TIME! Great little fan with a ton of airflow to keep me cool during night sweats. And it has just enough white noise to distract from outside noise. Also, the motor power never differentiated after using for so long. It was still strong. I just ordered another one to replace it and cant wait for it to arrive so I can sleep again! Only thing is they only have bakck or white instead of blue this time but thats ok as long as it performs.
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Reviewed in the United States on May 14, 2026
★★★★★ 4
Small fan, serious power
Color: Black
I bought the Honeywell Turboforce Fan for my bedroom, and I’m honestly impressed with how powerful this little thing is. Don’t let the compact size fool you — it moves a lot of air. On the lowest setting it’s perfect for a gentle breeze while sleeping, and the higher settings can easily cool down a medium-sized room or help circulate AC much more efficiently.
The 90-degree pivoting head is a great feature. I can angle it upward for better air circulation or point it directly at me when it’s extra hot. It’s lightweight, easy to move around, and doesn’t take up much space on a desk or nightstand. It can also be wall-mounted, which is a nice bonus.
Noise level is reasonable. On low, it’s actually a pleasant white noise. Medium and high are louder, but not in an annoying way — just the sound of strong airflow.
Build quality feels solid for the price, and it’s been running daily without any issues. For the cost, this fan seriously overperforms.
If you need a compact, affordable, and powerful fan, this is a no-brainer. I’d absolutely buy it again.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Great powerful little fan, good deal.
Color: Black
Nice powerful fan, good price! larger than an average desktop fan, keeps the air moving, and is fairly quiet.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Good value for a powerful fan.
Color: Black
Powerful fan. It’s just a 100 square foot room but you can feel the fan clear across the room. The unit feels durable but it is also extremely lightweight. Easy to move room to room. The fan can face straight ahead or angle to face upwards. It is easy to change the angle of the fan, simply tilt the body and it clicks into place. It does not face downward. When faced upwards it does well to circulate air around the room. It is somewhat loud on higher settings but that is to be expected. At $14.99 this was priced a bit lower than similar units. It’s a good value so far as it is performing well.
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Reviewed in the United States on May 26, 2026
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