--- product_id: 537493137 title: "6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter Straight 2Pcs" brand: "evil energy" price: "$27.48" currency: USD in_stock: true reviews_count: 9 category: "Evil Energy" url: https://www.desertcart.us/products/537493137-6an-male-to-5-8-x-18-inverted-flare-thread store_origin: US region: United States of America --- # 1500 PSI max pressure -40℉ to 250℉ temp range 6061-T6 anodized aluminum 6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter Straight 2Pcs **Brand:** evil energy **Price:** $27.48 **Availability:** ✅ In Stock ## Summary > ⚡️ Power Your Ride with Leak-Free Confidence! ## Quick Answers - **What is this?** 6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter Straight 2Pcs by evil energy - **How much does it cost?** $27.48 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/537493137-6an-male-to-5-8-x-18-inverted-flare-thread) ## Best For - evil energy enthusiasts ## Why This Product - Trusted evil energy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** 6AN male to 5/8 x 18 inverted flare thread with 37° sealing angle guarantees a secure, vibration-resistant connection. - • **Trusted by Pros:** Top-rated with 4.8 stars from nearly 300 reviews, these adapters deliver proven performance and peace of mind. - • **High-Pressure Ready:** Engineered to withstand up to 1500 PSI, ensuring leak-free reliability in demanding fuel and cooler system applications. - • **Unmatched Durability:** Crafted from premium 6061-T6 aluminum alloy with anodized black finish for corrosion resistance and long-lasting performance. - • **Wide Temperature Tolerance:** Operates flawlessly from -40℉ to 250℉, perfect for extreme automotive environments and street rods. ## Overview The EVIL ENERGY 6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter is a high-quality, anodized aluminum connector designed for fuel and cooler systems. Rated for 1500 PSI and a wide temperature range, it ensures a secure, durable, and leak-proof fit favored by automotive enthusiasts and professionals alike. ## Description Buy EVIL ENERGY 6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter Straight 2Pcs: Fittings - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Nice quality - These seem to be of high quality and work great in my street rod. I’ve had them in there trouble free and no leaks for about almost a year Review: These fittings work well. - These fit and function really good and they are very nice. Well worth the try. I have quite a few of evils fittings. ## Features - [Size] Thread size of 6AN is 9/16 x 18 UNF. - [Parameter] Working Pressure: 1500PSI. Working Temperature Range: -40℉ to 250℉. - [Material] Made of Aluminum alloy 6061-T6, anodized black surface. - [Sealing] The AN flare side is sealed by a 37 degree angle. - [Application] Widely used in fuel systems and cooler systems, etc. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C6F8VLQT | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #4,052 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Replacement Fuel System Fittings | | Brand | EVIL ENERGY | | Color | 2pcs | | Connector Type | Flare | | Customer Reviews | 4.8 4.8 out of 5 stars (298) | | Date First Available | May 26, 2023 | | Exterior Finish | Anodized Black | | Item Package Quantity | 1 | | Item Weight | 0.986 ounces | | Item model number | EV01870S2BK-2 | | Manufacturer | Speedwow Tuning | | Material | Aluminum | | Number of Pieces | 2 | | Package Dimensions | 5 x 4.25 x 0.67 inches | | Part Number | EV01870S2BK-2 | | Size | AN6 to 5/8 x 18 Inverted | | Style | 2pcs | | Thread Size | 9/16 inches | | Thread Type | UNF | ## Product Details - **Brand:** EVIL ENERGY - **Color:** 2pcs - **Connector Type:** Flare - **Exterior Finish:** Anodized Black - **Item Weight:** 0.03 Kilograms - **Material:** Aluminum - **Number of Pieces:** 2 - **Size:** AN6 to 5/8 x 18 Inverted - **Thread Size:** 9/16 inches - **Thread Type:** UNF ## Images ![6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter Straight 2Pcs - Image 1](https://m.media-amazon.com/images/I/61a3G-2avFL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Nice quality *by J***J on December 22, 2025* These seem to be of high quality and work great in my street rod. I’ve had them in there trouble free and no leaks for about almost a year ### ⭐⭐⭐⭐⭐ These fittings work well. *by M***N on September 9, 2025* These fit and function really good and they are very nice. Well worth the try. I have quite a few of evils fittings. ### ⭐⭐⭐⭐⭐ Right part for any fuel related project *by N***. on December 23, 2025* I redone my whole jeep fuel system using evil energy products, awesome products! ## Frequently Bought Together - EVIL ENERGY 6AN Male to 5/8 x 18 Inverted Flare Thread Fitting Adapter Straight 2Pcs - EVIL ENERGY 6AN 3/8" Fuel line Hose Fitting Kit Braided Nylon Stainless Steel Oil Gas CPE 20FT Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/537493137-6an-male-to-5-8-x-18-inverted-flare-thread](https://www.desertcart.us/products/537493137-6an-male-to-5-8-x-18-inverted-flare-thread) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-19*