Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 4 - Jul 9
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Holley Hi-Ram Intake Plenum Top Only, 2 x 4150- Black Finish - 300-207BKOverview: Fits Holley Hi Ram Manifolds Holley has launched new black ceramic coated plenum tops to match our Hi Ram manifold bases! They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The plenum tops are constructed of cast aluminum. Features: Modular Design w Removable Top A B Height: 12. 10 (w Carb Style Top 2 x 4150 or 2 x 4500) See Drawing Height at Plenum Flange: 9. 44 O Ring Seals
Overview:
Fits Holley Hi-Ram Manifolds - Holley has launched new black ceramic coated plenum tops to match our Hi-Ram manifold bases!
They are available in the dual 4150 throttle body pattern or in a full blank top so that you can design your system. The plenum tops are constructed of cast aluminum.
Features:
- Modular Design w/ Removable Top
- A-B Height: 12.10” (w/ Carb Style Top - 2 x 4150 or 2 x 4500) – See Drawing
- Height at Plenum Flange: 9.44”
- O-Ring Seals for Plenum Top
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Brand | Holley EFI |
|---|---|
| Construction | Cast |
| Emission Code | 4 |
| Finish | Black |
| Product Type | Manifold |
| Type of Component | Manifold Top |
| 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
4.1 ★★★★★
Based on 1956 reviews
Sort
Product Reviews
★★★★★ 5
Very good chair, comfortable and high quality.
Color: Black
I had my doubts, yet after a couple months I really love this chair. Its a very good quality. Comfortable and sturdy. It allows for me to lean back too, which is a big plus! It looks really great and I am glad I purchased this chair. If you are looking, then just buy it because it is as good as it looks in the pictures.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
★★★★★ 5
Very nice work chair
Color: Khaki, Color: Khaki
I am happy, it’s easy to assemble, comfortable, height adjustable, good quality and nice looking. I would recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
★★★★★ 5
Perfect for my studio
Color: Black
Naught this chair for my bedroom home recording studio. Honestly, I bought it mostly for the look. I just thought it would look great with what I was trying to v to do in the studio. I was very pleasantly surprised to find that’s its much more comfortable than I had assumed. It was easy to assemble. The provided assembly instructions were clear and easy to follow. It took me less than 20 minutes to build it. The build quality is solid. I’m a tall well build dude that weights more than 210 lbs and it takes my weight very well. Great little chair. I recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
★★★★★ 5
Very happy customer!
Color: Cream White, Color: Cream White
This chair is what you are looking for!!! No serious friends, this chair is everything and so incredibly comfortable! I’m so happy with this purchase. The wood accents I believe are actual wood and the PU leather is gorgeous and seriously looks like real leather. The size is perfect for my frame too. I’m a size medium bottom girly and the curve and level of cushion on the seat is so well executed. The rollability of the rollers are fantastic too, not super loud on our wooden floors and a really smooth glide. Im on the search for a rug to go under my desk but man the patience I used to wait to find this chair truly was worth it. A total lesson on patience and biting when you find the right thing. I think it’s pretty sturdy too. But I’ll report back in a few months. At the moment nothing leads me to be suspicious of a less than long life for this chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 4
Good product, could improve backrest depth.
Color: Cream White
Comfortable seat. Stylish looking. Works well. Con is that the backrest is too far away, I had to add a lumbar support pillow. I also added a waffle seat for added comfort as I sit all day in the office. Easy to assemble. Color is nice. Feels sturdy. Rocks back, nice feature. Smooth wheels.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
recommand products
Catheter Insertion Tray Cure Medical®Catheter Insertion Kit Universal Without Catheter Without Balloon Without Catheter
190.00
Little Miss Whoops Cork Placemat
13.00
Little Miss Greedy Large Porcelain Colour Handle Mug
20.00
Dignity Cover Pouch ADC-2.0 13 X 11 Inch
102.61
Leg Strap Hollister Medium, 23 Inch, Vinyl, Reusable, Plastic Belt Tabs
57.72