This is a paid asset, but now you can download Racing Game UI Pack for FREE, but please remember this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Racing Game UI Pack v1.0
“If possible, please buy the package to support the developer”
Racing Game UI Pack is a mobile-friendly game UI pack containing many icons and elements that can be used to create a complete game UI for a racing game.
2 skins: dark and light.
• 100+ icons and elements.
• Lots of icons and elements that make the pack ready to be used in any kind of games.
• Easily-customizable colors, layout and sizes through 9-sliced buttons and backgrounds.
• XBox One, PS4, Steam and PC game controller button icons included in 2 styles: Dark & Light.
• Mobile-friendly. Can be used in portrait and landscape orientations interchangeably.
Photoshop .PSD files and .PNG files included