Specification: Item Name: Fuel Tank Filler Necks Condition: 100% Brand New Part Type: Fuel Water Tank/Coolant Reservoir Caps Size: 25mm/1.0'',38mm/1.5'',51mm/2.0'' Color: Black,Silver Material: Aluminum Alloy Features: High Quality: Universal oil reservoir machined from billet aluminum, with a polished surface, rugged, anti‑ and durable, to ensure wear resistance and resistance and extend service life . It has stable characteristics and performance. Applicable model: The overflow coolant tank cap is designed to fit an OEM coolant tank with a threaded filler neck. Before placing an order, please make sure that this is the correct application type of the oil fuel water tank reservoir cap to facilitate subsequent installation. Easy to install: O-ring seal to prevent leaks. Simply push down and twist to lock the cap on to the bung. Scalloped design, give the engine a custom appearance, perfect complement to any engine bay. Full Function: It has been carefully designed to provide the same components and features as the original version of the specific car model, manufacturer and model. Clear anodized finish increases gloss and durability, brings stylish look and long lifespan. Installation Steps: 1.Clean the surface of the tank hole to make it smooth and flat. 2.Adjust the fuel tank cap to the hole position. 3.Junction of welded fuel tank cap and fuel tank. 4.Install the fuel tank cap, and check the weld for leaks. Package Included: 1 x Fuel Tank Filler Necks Note: All items are Brand New unless stated otherwise on the listing. We sell DIY (Do It Yourself) Items with a few exceptions. We take no responsibility in teaching you how to install. Professional installation is strongly recommended.