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Description
xEVIL ENERGY 6AN to 3/8\" and 5/16\" Hardline Compression Adaptor
In busy engine bays, reliable connections matter. The EVIL ENERGY 6AN Male to 3/8\"-inch and 5/16\"-inch Hardline Compression Fitting Adapter is designed to connect hardlines cleanly without compromising flow or clarity. Constructed from a robust aluminum alloy with a brass ferrule, this adapter pairs a 6AN male flare with both a 3/8\"-inch and a 5/16\"-inch hardline. The result is a compact, lightweight connector that supports everyday driving and more demanding builds alike.
Key to its performance is the sealing geometry: the 37-degree seating on the AN flare forms a tight, repeatable seal when mated to compatible hardlines. The 9/16-18 UNF thread matches standard 6AN fittings, enabling straightforward integration with a wide range of components in your fuel system.
Key features
- Versatile size: 6AN male flare to 3/8\" and 5/16\" hardlines for flexible routing.
- Durable build: aluminum body with a brass ferrule balances light weight and sealing performance.
- 37-degree seal: reliable seating minimizes leaks in variable conditions.
- Wide applicability: suitable for fuel delivery lines, fuel system upgrades, and engine modification projects.
Before you purchase, note that this adapter is designed for stainless steel or aluminum hardlines. Measure your hardline diameter to confirm compatibility and plan your layout to fit in tight spaces. This adapter is intended to complement a clean fuel line upgrade or engine modification path, offering potential improvements in assembly simplicity and line organization.
Practical tips
- Check thread engagement to avoid cross-threading when pairing with standard 6AN components.
- Ensure the 37-degree seating matches your hardline for optimal seal integrity.
FAQ
Q: What does this adapter fit with?
A: Fits 6AN flare to 3/8" and 5/16" hardlines using a 9/16-18 UNF thread.
Q: Where is it best used?
A: Ideal for fuel delivery lines, fuel system upgrades, and selected engine modification projects with compatible hardlines.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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