The A & I PRODUCTS AT18012 piston rings are designed for optimal engine performance. These high-quality rings ensure a tight seal, reducing blow-by and improving compression. Made from durable materials, they are engineered to withstand high temperatures and pressures, making them ideal for various engine applications. The dimensions are tailored to fit specific engine models, ensuring compatibility and ease of installation. Upgrade your engine's efficiency with these reliable piston rings.This piston rings set by A & I PRODUCTS, model AT18012, includes multiple precision-engineered rings designed for internal combustion engine pistons. Manufactured from high-grade cast iron or steel alloys, these rings provide effective sealing between piston and cylinder wall, optimizing compression and reducing oil consumption. The set typically includes compression rings and oil control rings, sized to fit specific engine bore diameters. Compatible with agricultural and industrial engines, the AT18012 piston rings adhere to OEM specifications for durability and performance. Installation requires proper ring gap and orientation per engine manual.