Platinum spark plug Enhance starting, oil-saving, long life Quality guaranteed Delivery in time OEM brand welcome Model:D8TCReplacement of BOSCH "X5DC",CHAMPION "A6YC", "A8YC",NGK "D8EA", "D8ES", "D8ES-L"Dimensions(mm):1.Thread=M12 X 1.252.Reach=193.Hex=17.54.Gap=0.6 Platinum spark plug