General description Aluminum Alloy Weld On Filler Neck & Cap designed for fuel, oil, and water tanks. This product is 100% brand new and features a polished snap-on cap, providing a custom look for your engine bay. Technical specifications Cap Size: 2.5 inch Color: Black + Silver Material: 6061-T6 Aluminum Alloy Measurement allowed error: +/- 1-3 cm Compatibility and accessories Designed to fit coolant reservoirs with a threaded filler neck Package Contents: 1 x Car Modification Cover Other information Clear anodized finish for added shine and durability Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing