Black Diamond Diesel pistons ring kits are OEM or above quality. They are sold in sets of 8 and include all three rings for each cylinder. The combustion ring a plasma-moly style ring. Piston rings are available in STD, .020, .030, and .040.
If you need injectors, bearings, gaskets, or any other components, please feel to contact us. We carry nearly anything you could need to rebuild or repair this engine. Call us with your needs.