MK1003770 Drive Sprockets & Chain Kit Product Info: Outer Plate thickness 2.22mm; Inner Plate thickness 2.22mm Width between inner plates 6.25mm Sprocket Material consists of SAE 1023 structural carbon steel; Oil - LT-001A High Temperature Chain Oil Included in This Kit:(QTY 1) NICHE 519-CDC2221H Drive Chain 118 Standard Non O-Ring w/ Master LinkSubstitute For OEM Part Numbers(s): H19000203, H19000201, 94582-37118-00, 94582-24118-00, 94581-08118-00, 8D0079785, 8B0056768, 79610965118EB, 79010965118EB, 78910065118, 78010267118, 78010167118, 78010167118(1), 76510165116, 76510065116, 53010065118, 53010065001, 51110065000, 5031080011804, 5031016511804, 50310165118, 50010065101, 50010065100, 50010065001, 50010065000, 40530-KA5-812, 40530-KA5-811, 40530-KA5-681(QTY 1) NICHE 519-CDS2321P Tooth Front Drive SprocketSubstitute For OEM Part Numbers(s): (QTY 1) NICHE 519-CDS2418P Rear Drive SprocketSubstitute For OEM Part Numbers(s): 42041-1450, 42041-1408, 42041-1255, 42041-1093, 42041-0151Compatible with the Following Vehicles:Kawasaki KDX250: 1983-1985 WARNING: This product can expose you to chemicals including lead and phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov