This product is a piston set for the Jaguar Land Rover Range Rover 306DT 3.0 diesel engine, suitable for Generation 2 models such as the XF Sportbrake (X260), XJ (X351), and Range Rover IV (L405). The set includes 6 brand new pistons with rings for the 3.0 SDV6 4x4 engine, with a standard cylinder bore diameter. The pistons come with a manufacturer warranty of 1 year and are compatible with various Jaguar and Land Rover models, including the Discovery V Van (L462), Range Rover Sport I (L320), and F-Pace (X761). The product is a reliable option for those looking to replace worn-out or damaged pistons in their vehicle.