If your Suzuki LT80 Quadsport (1987-2006) is running rough or leaking air around the carb, this carburetor joint insulator and seal kit will fix it right up. It includes both the insulator spacer AND the O-ring you need for a proper seal between the carb and engine. Made from durable rubber material that handles heat and fuel exposure. Direct replacement for OEM part numbers 13129-40B00 and 09280-22002. Comes with a 1-year warranty. Installation is pretty straightforward if you're comfortable working on small engines. Air leaks in this area can cause all sorts of running issues - too lean, hard starting, poor idle. This kit ensures a tight seal so your carb gets the right air/fuel mix. Perfect for restoring an old LT80 or just keeping your kid's quad running smoothly. A simple, affordable fix that makes a big difference in performance.