Upgrade your 4 Stroke 7 HP (170F) petrol power tiller or cultivator with the robust Piston (0.25) assembly, E12857675. This oversize piston is engineered for engines with rebored cylinders, ensuring improved compression and engine reliability. Crafted from high-strength alloy, it delivers enhanced durability, heat resistance, and efficient combustion, making it the perfect choice for engine overhauls and maintenance in demanding agricultural and gardening applications.