Attention RC boat enthusiasts! If you're dealing with cooling system issues or just want to upgrade your setup, this BQLZR water cooling kit is exactly what you need. This 5-pack includes everything to keep your RC boat running cool and efficient - 1 water pickup, 2 water outlets with M6 threads, and 2 water cooling tubes. The water pickup has a 50mm length with 3mm inner diameter and 4mm outer diameter, designed to install at your boat's stern where it can efficiently draw water for cooling. The water outlets feature M6 threads and come with rubber O-rings to prevent any annoying leaks that could damage your electronics. The cooling tubes are 35mm long with M6 threads, perfect for extending your water-cooling piping and they work with standard 4x7mm silicone tubes. Everything is made from upgraded metal and aluminum alloy, so it's durable enough to handle the demands of RC boating while improving your boat's overall performance. This kit works for both electric AND gasoline RC boats, making it super versatile. Each product has a unique manufacturing part number for quality verification, so you know you're getting legitimate parts. Whether you're replacing old or damaged components or building a new boat from scratch, having reliable water cooling parts is crucial for preventing overheating during those long running sessions. Installation is straightforward if you're familiar with RC boat maintenance. Keep your investment running smoothly with quality components that actually work as advertised!