These Arias Pistons are perfect for car enthusiasts who own a 92 - 02 Honda Civic or 92 - 97 Del Sol with a 1.6L engine. Whether you're looking to enhance the daily driving experience or aiming for better performance in races, these pistons are a great choice. They are made from high - tensile forged billet material (either 4032 or 2618), ensuring long - lasting durability. The pistons have been CNC machined for precise working surfaces and feature optimized crowns for efficient combustion, which means you'll get better power and fuel efficiency.