Engine piston rings set with a diameter of 82.00 mm designed for engine models used in applications requiring part numbers 11258657760, 11258678931, 11258618503, and 11258638450.This set includes complete ring components necessary for proper piston function and cylinder sealing.Suitable for use in specific engine configurations found in certain vehicle models.manufactured to meet specifications for fit and performance.This replacement part is independently produced.All brand references are for compatibility demonstration only.