Enhance the performance and longevity of your RC motor with this high-quality Water Cooling Jacket, specifically designed for 3650 and 3660 RC motors. Crafted from premium-grade metal, this cooling jacket offers exceptional durability, wear resistance, and eco-friendliness, making it an ideal accessory for your RC boat. Its superior heat dissipation capability helps maintain optimal motor temperature during intense operation, ensuring reliable and efficient performance. Key Features: · Precision Fit for 3650/3660 RC Motors: Engineered to perfectly fit standard 3650 and 3660 motor sizes, providing effective cooling and protection. · Superior Heat Dissipation: The water cooling jacket design efficiently dissipates heat, preventing motor overheating and enhancing motor lifespan. · High-Grade Metal Construction: Made from solid, wear-resistant metal material that ensures durability and long-lasting use while being environmentally friendly. · Easy Installation and Removal: Fine workmanship guarantees a hassle-free installation and removal process, saving time and effort. · Ideal RC Boat Accessory: A must-have component for RC boat enthusiasts seeking improved motor cooling and performance. Specifications: · Condition: 100% Brand New · Item Type: RC Accessory · Material: Metal · Color: Purple · Inner Diameter: 36mm (1.4in) · Length: 40mm (1.6in) · Overall Size: 43 x 43 x 40mm (1.7 x 1.7 x 1.6in) · Suitable Motor Types: 3650 / 3660 · Copper Mouth: M5 · Weight: Approx. 43g Package Includes: · 1 x Water Cooling Jacket Upgrade your RC motor setup with this durable and efficient water cooling jacket, designed to provide excellent heat management and enhance the overall performance of your RC boat motor.