No installation instructions required. Size: AN8 Female to AN6 Male, Application: Universal Application, Dimension: 25., 2x22x31., 5mm / 0., 99x0., 87x1., 24(L*W*H) Aluminum Alloy Fuel Line Adapter MACHSWON 2pcs Car Fuel Line Fitting 8AN Male Flare Bulkhead Aluminum Alloy Fuel Line Fitting This product can work with almost all types of stainless and nylon hoses. 2PCS Car Female AN8 8AN to Male AN6 6AN Flare Hose Reducer Fuel Line Fitting Adapter Fuel Oil Cooler Bulkhead Adapter Aluminum Alloy Black Reducer Fitting Adapter. Precise Fitting Size: AN8 (Female) to AN6 (Male) Flare Reducer Fitting Adapter Notes: The size is measured by hand, so it may have a little 1-3 mm difference. Specification: Material: Aluminum Alloy, Color: Black Easy Installation: Quick and hassle-free installation process. Male Thread Size: AN6 Fitment: Universal fit for Gas, Oil, Fuel, Fluid, or Air Line 2Pcs 6AN AN6 Flare to 6AN AN6 ORB Male Fuel Rail O-Ring Fitting Adapter Description: Portable and simple design, it is easy for you to operate. Anodized Aluminum -6 an 6 An6 Male Flare Union Oil Fuel Straight Adapter Fitting. About this product. Product Identifiers. GTIN0843401112022 Durable Material: Made of high-quality aluminum alloy, providing long-lasting durability for reliable use.