The DT175 Big Bore Cylinder Kit is the perfect upgrade for your 1979-1981 66mm 175cc motor cycle engine. This kit replaces the stock cylinder assembly with a larger bore, enhancing power and performance while maintaining durability. Our kit includes all the necessary parts to ensure a smooth installation, including high-quality pistons, rings, and gaskets. The expanded cylinder capacity will allow you to enjoy increased speed and acceleration while reducing your carbon footprint due to improved fuel efficiency. With the confidence of using genuine OEM components and the convenience of a DIY installation, you can take your motor cycle to the next level with our DT175 Big Bore Cylinder Kit.