This Sierra 18-0672 Marine Exhaust Elbow Gasket is a top-quality product that is designed to provide excellent performance and durability. It is made from high-quality materials and is built to last, ensuring that you get the most out of your investment. This Exhaust Elbow Gasket comes with a Limited Lifetime Warranty, which is a testament to its reliability and efficiency. It is easy to install and is compatible with a wide range of boats and inboard engines. The item weighs 0.1 lbs and has dimensions of 8" x 6" x 2". It is manufactured in Italy by Sierra, a trusted and reputable brand that is known for producing high-quality marine parts. This Exhaust Elbow Gasket is perfect for those who are looking for a reliable and efficient product that will help to improve their boat's performance.