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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Holley EFI Vacuum Manifold 534-52The Holley EFI Vacuum Manifold is an excellent vacuum or boost reference source. Features: Compatible with all transducers that utilize 1 8 NPT male threads and 7 8? or smaller body hex diameter 12 independent 1 8 NPT ports 2 6 ORB Ports Improve engine bay organization by mounting transducers and or vacuum lines all in one easy to reach location Ideal for engines that require multiple vacuum boost reference sources 4 mounting holes designed for the
The Holley EFI Vacuum Manifold is an excellent vacuum or boost reference source.
Features:
- Compatible with all transducers that utilize 1/8 NPT male threads and 7/8? or smaller body/hex diameter
- 12 independent 1/8 NPT ports
- 2 -6 ORB Ports
- Improve engine bay organization by mounting transducers and/or vacuum lines all in one easy to reach location
- Ideal for engines that require multiple vacuum/boost reference sources
- 4 mounting holes designed for the use of 5/16? socket head cap hardware for secure and robust mounting
- Crafted from 6061 Aluminum
- Anodized black for durability and laser etched with the Holley EFI logo
Specs:
| Brand | Holley EFI |
|---|---|
| Emission Code | 5 |
| Finish | Black |
| Inlet | 1/8 NPT |
| Inlet / Outlet Size | 9/16-18 Female O-Ring (AN 6) |
| Material | 6061 Aluminum |
| Product Type | Sensor Block |
| Warning | California Proposition 65 |
Application:
| Year | Make | Model | Submodel |
|---|---|---|---|
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
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 4
Check, check, and check!!!
These cleaners are super nice and they work very well!!
I really like how easy it is to spray, and it doesn’t leak! It is not sticky or streaky, and although the scent is pretty strong, it smells heavenly!
Definitely recommend buying!!!
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Reviewed in the United States on June 11, 2025
★★★★★ 5
Lovely scent.
Lasts. Works.
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Reviewed in the United States on April 29, 2026
★★★★★ 5
Hair Renewed
Smells like fresh coffee very nice, it makes your hair baby soft and smelling good. I'm so glad I purchased this I use it once a week. I really see 👀 and feel the difference in my hair, I put and leave it in for 30 minutes after time ⏲️ up I massage 💆♀️ my head for 2 or 3 minutes then comb through my hair then shampoo and condition.
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Reviewed in the United States on May 16, 2025
★★★★★ 5
Hair growth/moisture solid oil
Very moisturizing. Pleasant scent. Glad that it can also be used for your skin.
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Reviewed in the United States on December 9, 2025
★★★★★ 5
Best hair growth and nourishment
Works instantly to nourish hair and it’s better than expected with more to come.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 26, 2025
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