Ensure your engine stays cool under pressure with this Oil Cooler Radiator Kit, designed for 110cc, 125cc, 140cc, 150cc, and 160cc pit dirt bikes and off-road motorcycles. This kit includes an engine cover oil cooler adapter plate that allows for easy installation on compatible engines, improving engine temperature regulation during intense rides. Made from durable metal, the engine cover oil cooler adapter measures 81mm x 49mm x 22mm (3.19" x 1.93" x 0.87"), ensuring a reliable fit for a wide range of dirt bikes, including models from Thumpstar, Coolster, SSR, and others. With a 13mm (0.51 inches) inner hole diameter, this adapter plate is designed for quick and easy attachment to your bike's engine. This kit helps extend the life of your engine by providing optimal cooling, preventing overheating and maintaining peak performance, especially on challenging off-road terrain. The oil cooler ensures that your engine runs smoothly even during the most demanding rides. Package includes 1 x Oil Cooler Kit and 1 x Engine Cover Oil Cooler Adapter Plate, giving you everything you need for a seamless installation and better engine performance.