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Description
Holley Boost Control Solenoids 557-201SOLENOID, BOOST CONTROL Introducing the newest development from the Holley EFI engineering team. The Holley EFI High Flow Dual Port Boost Control Kit. This kit contains a set of pre installed high flow solenoids, which feature a dual O ring sealing design, preventing any boost leaks out of the manifold. A black anodized billet aluminum manifold, with built in mounting provisions. Two pre terminated connectors for a quick installation, and extra pins
SOLENOID, BOOST CONTROL
Introducing the newest development from the Holley EFI engineering team. The Holley EFI High Flow Dual Port Boost Control Kit. This kit contains a set of pre-installed high flow solenoids, which feature a dual O-ring sealing design, preventing any boost leaks out of the manifold. A black anodized billet aluminum manifold, with built in mounting provisions. Two pre-terminated connectors for a quick installation, and extra pins for those of you wanting to cut the harnesses to custom lengths. Finally two 1/4" push-lock fittings to simplifying the installation process. The Holley EFI boost control proprietary solenoid design flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids.
Features:
- Black Anodized Billet Dual Port Manifold
- Two 1/4” NPT Push-Lock Fittings for easy plumbing and installation
- Two Pre-Terminated connectors simply plug into the solenoids and pin into Holley EFI ECU connectors
- The billet manifold contains built in mounting provisions, setup for ¼ hardware
- Proprietary design to flows nearly 40% more than comparable designs and up to 90% more than conventional 3-port boost control solenoids
Specs
| Brand | Holley EFI |
|---|---|
| Color | Black |
| Emission Code | 5 |
| Inlet / Outlet Size | 1/4" NPT |
| Material | Billet |
| Product Type | Boost Control Part |
| Part Number | 557-201 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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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]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 1
Awful for normal/combo skin types!
Style: 4 Fl Oz (Pack of 1)
Terrible for normal/combo skin! I applied sunscreen to my clean, dry face – without moisturizer. After waiting 25 minutes, I checked to see if the product hadn’t absorbed into my skin. It remained on top of my skin in a shiny, slippery, greasy film that rubbed off onto anything it touched. It’s settled thickly into crevices and fine lines, especially in the folds of my eyelids. There was so much shine – not glow – on my skin that it created flashback when I took a picture. Somehow, the sunscreen made my skin appear both oily and dry at the same time! Many other reviewers said that they successfully put make up over this sunscreen, but I cannot imagine how this would be successful, unless the makeup finish was incredibly matte. It’s the worst experience I’ve ever had with any sunscreen!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
★★★★★ 5
Great sunscreen that smells good too!
Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1), Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1)
This stuff actually smells good and the scent doesn't smell like chemicals. It comes out clear which is perfect because I bought it for my little blonde headed, fair skinned 16 month old. It's nice to not have his hair looking all weird with white sunscreen spray. Overall, very pleased with it! Came just in time for our trip to the zoo the other day!
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Reviewed in the United States on October 25, 2025
★★★★★ 5
Worth it
Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1)
Hands down the best sunscreen, we use it for the kids and for my wife and I as well. Does an amazing job and it smells good also.
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Reviewed in the United States on July 24, 2025
★★★★★ 5
Makes me feel safer
Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1)
Doesn't stink and I use it daily
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Reviewed in the United States on July 26, 2025
★★★★★ 5
Smells great and works well
Style: Kids SPF 50, Size: 5 Fl Oz (Pack of 1)
This worked well for the summer. No one experienced any burns while using it and reapplying. This also smells fantastic. Would definitely recommend and would buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 20, 2024
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