This flywheel is a genuine part for the Triumph Spitfire 1300 and is designed to provide reliable performance. It has a weight of 15lbs and is made to the original specifications, ensuring that it fits seamlessly into your vehicle's transmission system. Whether you are replacing a worn-out flywheel or upgrading your vehicle's engine, this part is an excellent choice. Ring gear looks good as does the clutch surface. Thanks for looking - bid now !