The Piston Ring (0.00) is engineered for 4 Stroke 7 HP (170F) Petrol Power Tillers and Cultivators, ensuring optimal compression and efficient engine performance. Crafted from durable cast iron, it provides a tight seal within the cylinder, minimizing oil consumption and maximizing power output. This standard (0.00) size ring is easy to install and essential for engine rebuilds, maintenance, and smooth operation in demanding agricultural and gardening environments.