RC enthusiasts, this FastEddy bearing kit is exactly what you need to keep your Thunder Tiger TS4n Plus 3.5 running smooth and fast! This complete set includes all the bearings your RC car needs: (8) 5x11x4, (4) 8x14x4, (4) 4x8x3, and (2) 5x10x4 bearings. These sealed bearings make a huge difference in performance - less friction, smoother operation, and better speed overall. Now, quick heads up - bearing sizes can sometimes vary depending on when your particular model was manufactured and what hop-ups you've installed. So it's always smart to double-check your RC before ordering to make sure you're getting the right fit. FastEddy is known for quality bearings in the RC community, and they try to keep these kits updated as models change. If you do spot any variations or mistakes in the kit, they're good about working with you to fix it. Whether you're doing regular maintenance, performance upgrades, or repairs after some rough runs, having the right bearings on hand saves so much downtime. Your Thunder Tiger will thank you with better performance, longer life, and that smooth, quiet operation that serious RC enthusiasts appreciate. The quality is exactly what you'd expect from FastEddy - reliable bearings that can handle the demands of nitro-powered RC cars.