• Superior 2618 Alloy Forgings: Domestic 2618 alloy forgings for unmatched strength and performance. • Premium Wrist Pins: Standard Chrome Moly pins, with upgrade options to 9310 and Turbo Tuff/DLC alloys for extra durability. • Enhanced Ring Seal: Strict standards for ring lands and grooves result in better ring seal and more power. Manley's pistons feature cam and barrel profiles for power and cylinder wall protection. Our unique fixturing ensures precise ring groove to skirt squareness. BMW N55/S55 engine pistons, high - performance pistons, extreme duty pistons

These Manley pistons are perfect for high - performance BMW N55/S55 engines. Whether you're into racing or just want to boost your daily driver's power, these pistons are a great choice. They're designed for car enthusiasts and mechanics looking to upgrade engine performance. While exact size and weight aren't mentioned, you can expect a well - crafted product that meets high - end standards. Use them to replace worn - out pistons or to build a high - performance engine from scratch.